Abstract: A backpack including at least one shoulder strap intended for carrying the backpack by a user includes a main pocket, connected to the at least one shoulder strap and a reinforcement, the main pocket having an inner surface internally delimiting a first compartment. The backpack also includes an outer enclosure constituting a piece separate from the main pocket, and an inner surface. A fastening system for the backpack is configured so that the backpack may occupy a separation configuration in which the outer enclosure is completely separated from the main pocket and a fastening configuration in which the reinforcement is secured to all or part of an outline of the outer casing. The inner surface of the outer enclosure and the outer surface of the main pocket internally delimit therebetween, when the backpack is in the fastening configuration, a second compartment separate from the first compartment.

Abstract: A sporting equipment storage sling is provided. The device includes a tubular housing having an open first end opposite an open second end. An adjustable strap is affixed to the tubular housing at each of the first and second ends. A plurality of fasteners disposed along a length of the tubular housing opposite the adjustable strap. The plurality of fasteners removably secure sporting equipment to the tubular housing, such that the user can easily transport and dry sporting equipment between uses. In some embodiments, a bag is affixed to the tubular housing, wherein the bag includes an opening through an upper end thereof.

Abstract: Disclosed is a configurable bag having a main bag compartment defined by a foldable bag body configurable between at least a first configuration and a second configuration via a folding of the bag body, the main bag compartment being accessible via a closable opening disposed in the foldable bag body when in the first configuration. The configurable bag further includes a first securing means and a second securing means affixed to the bag body, wherein the first and second securing means are disposed out of position for connection when the bag body is in the first configuration. The first and second securing means are positioned for connection via folding the bag body into the second configuration. The first and second securing means are configured to secure the bag body in the second configuration when the first securing means is secured to the second securing means.

Abstract: A system comprises a first body, comprising: a backpack suspension; a first storage region; and a first portion of a first attachment mechanism. A second body comprises: a second storage region; and a first portion of a second attachment mechanism. A third body comprises: a third storage region; a second portion of the first attachment mechanism; and a second portion of the second attachment mechanism. In a first configuration, the first portion of the first attachment mechanism is coupled to the first portion of the second attachment mechanism. In a second configuration, the first portion of the first attachment mechanism is coupled to the second portion of the first attachment mechanism, and the first portion of the second attachment mechanism is coupled to the second portion of the second attachment mechanism.

Abstract: A footwear transportation device is an apparatus used to contain, protect, and transport various shoes, sandals, sneakers, and other such footwear. The apparatus is also configured to hang comfortably around a user's neck or over a user's shoulder for carrying ease. The apparatus includes a storage pouch, a hood, a first shoe-supporting mechanism, and a second shoe-supporting mechanism. The storage pouch allows for storage of items. The hood is an enclosure generally used to cover the head of a user. The first shoe-supporting mechanism and the second shoe-supporting mechanism are units allowing for containment and support of one of a pair of shoes each. The first shoe-supporting mechanism and the second shoe-supporting mechanism each comprise a flexible line and a shoe pouch. The flexible line is a connector made of elastic material. The shoe pouch is a storage unit which allows for secure containment of a shoe or other footwear.

Abstract: A combination chair and backpack arrangement.

Abstract: A cooler is provided which has various improvements. The cooler may be a passive cooler or may be actively cooled for providing desirable cooling effects. The cooler may include an accessory system, for example, with bottle or can holders or a post holder which utilizes the weight of the cooler to support a sunshade. The accessory system may be positioned in various locations of the cooler, one location being in a recess which is utilized to open the cooler lid. The smart cooler may also comprise a cushion assembly which may be placed on an upper surface of the lid and may have straps to retain the cushion on the lid. The lid may be formed to accept and retain a cushion retaining feature so that the cushion does not excessively move from the top surface of the lid.

Abstract: A convertible backpack that can be used as an edge protection mat to protect ropes against abrasion and includes a flexible mat or sheet that can be configured into a pack and carried on the back of a user to carry equipment, clothing, or other gear. A pair of rope protection members are affixed to the outer surface of the sheet for carrying the pack and are easily removable for use alone or in combination with the flexible sheet to further protect ropes.

Abstract: A backpack system is disclosed. The backpack system may include a frame, a carrier portion, and a backpack portion. The frame deploys to a deployed state and collapses to a collapsed state, the carrier portion defines an upper pocket and a lower pocket that constrain the frame in the deployed state, and the backpack portion is removably couplable to the carrier portion.

Abstract: The application describes a protective case for an auto-injector. The medicament contained within these auto-injectors can be susceptible to degradation due to exposure to extreme temperatures and light. Thus, one embodiment of the protective case reduces the rate of heat transfer between the internal storage compartment of the case and the external atmosphere by including particularly configured vacuum chambers. Additionally, as auto-injectors become smaller, portability can be desirable. Thus, another embodiment of the protective case includes low-profile cases that allow the user to keep the auto-injector with them, e.g., by attaching the case to a common everyday item.

Abstract: A system comprises a first body, comprising: a backpack suspension; a first storage region; and a first portion of a first attachment mechanism. A second body comprises: a second storage region; and a first portion of a second attachment mechanism. A third body comprises: a third storage region; a second portion of the first attachment mechanism; and a second portion of the second attachment mechanism. In a first configuration, the first portion of the first attachment mechanism is coupled to the first portion of the second attachment mechanism. In a second configuration, the first portion of the first attachment mechanism is coupled to the second portion of the first attachment mechanism, and the first portion of the second attachment mechanism is coupled to the second portion of the second attachment mechanism.

Abstract: A backpack includes a frame system. The frame system has two L-shaped members, one or more cross bars, and an attachment bar. A pack has a base, a rear wall, a front wall, two side walls, and a closable lid. The pack also has shoulder straps disposed at the rear wall and a pair of elongated channels on the rear wall. The pack removably couples to the frame system by inserting a long leg of each of the L-shaped members into the respective elongated channel. When the pack is coupled to the frame, the base of the pack is supported on two short legs of the L-shaped members, the frame system is on an exterior of the pack, and the attachment bar can removably couple to either end of the two L-shaped members. An insert is sized and shaped to be removably inserted within an interior volume of the pack.

Abstract: A backpack chair assembly includes a chair that has a frame portion and a backrest portion that slidably engages the frame portion. The frame portion comprises a plurality of intersecting members such that the frame portion defines a cuboid. A backpack is positioned around the frame portion of the chair having the backpack surrounding the frame portion. The backpack has a plurality of pockets each being integrated into the backpack for storing objects. A pair of shoulder straps is each coupled to the backpack and each of the shoulder straps is wearable over a user's shoulders for carrying the backpack and the chair. A tarp is coupled to the backpack and the tarp is extendable over the backrest portion and the frame portion to inhibit objects stored on the frame portion from falling off.

Abstract: A baby carrier and backpack system that allows for the convenient carrying of baby or child in a carrier that is attached to a backpack. The backpack supports the straps and buckles to hold the baby on the adult's chest. The backpack also carries the items such as diapers, wipes, toys, treats and the like as need to care for the baby.

Abstract: Lounge chair towel that converts into backpack. One embodiment is a lounge chair towel that includes a seat portion, a backrest portion, and a middle portion of material between the seat portion and the backrest portion. The middle portion includes a first sleeve on a back side of the lounge chair towel, a second sleeve on a front side of the lounge chair towel, and a middle sleeve disposed between the first sleeve and the second sleeve. The middle portion also includes a bag opening for a bag storage area formed by an interior of the backrest portion. The middle portion also includes one or more belt straps looped through the first sleeve and the second sleeve. The belt straps close the bag opening when pulled and forms two backpack straps to convert the lounge chair towel into the backpack.

Abstract: The disclosure includes a modular carrying system comprising a day bag, a luggage bag, and a main coupling system. In some embodiments, the main coupling system includes a first portion coupled to the day bag and a second portion coupled to the luggage bag. The main coupling system may be arranged and configured to detachably couple the day bag and the luggage bag together such that the front side of the day bag faces the back side of the luggage bag.

Abstract: A reconfigurable waterproof bag is defined by a plurality of material surfaces extending in three dimensions, a strap for carrying the bag, and one or plurality of strap guide(s) into which the strap is disposed and through which the strap may be moved, the strap guide extending within or without the bag from any one of the plurality of surfaces to any other one of the plurality of material surfaces in three dimensional space without limitation to define a geometry of a strap path and coupling of the strap to the bag so that the bag is reconfigurable in a plurality of different carrying modes.

Abstract: A child carrier includes a carrying harness, a child supporting part connected with the carrying harness, the child supporting part including a hip support portion and a thigh support portion connected with each other; and a thigh restraint extending between the carrying harness and the child supporting part, the thigh restraint being adapted to upwardly limit an upward displacement of a thigh of a child installed on the child carrier.

Abstract: A harness for a back-pack comprises a chest harness (A), a strut mechanism in the form of a flexible spine (B) and a hip belt (C). The flexible spine (B) provides a sprung, damped connection between the chest harness (A) and the hip belt (C), so that the load of the backpack is transferred through the flexible spine (B) to the hip belt (C), while the flexible spine can extend to accommodate movement of the wearer's body. The chest harness (A) comprises straps (12, 15) which are interconnected at the front of the wearer by a buckle (14). Abdominal straps (15) are connected to the buckle (14) by flexible wands (16) which flex under the breathing action of the wearer to retain the load securely against the wearer's back without restricting breathing.

Abstract: A backpack for a cylindrical shaped object, such as a utility bucket, is disclosed and includes a generally cylindrical shaped body portion with an open top and a bottom and a pair of a pair of shoulder straps attached to the top and bottom of the body portion, the attachment points for the straps at the top are spaced apart by at least a hundred and sixty degrees (160°) and eighty degrees (80°) from a lateral center line of the body portion relative to one another. A plurality of pockets may be disposed about the perimeter of the body portion and the backpack may also include a grab handle and chest strap.

Abstract: A system comprises a first body, comprising: a backpack suspension; a first storage region; and a first portion of a first attachment mechanism. A second body comprises: a second storage region; and a first portion of a second attachment mechanism. A third body comprises: a third storage region; a second portion of the first attachment mechanism; and a second portion of the second attachment mechanism. In a first configuration, the first portion of the first attachment mechanism is coupled to the first portion of the second attachment mechanism. In a second configuration, the first portion of the first attachment mechanism is coupled to the second portion of the first attachment mechanism, and the first portion of the second attachment mechanism is coupled to the second portion of the second attachment mechanism.

Abstract: Described herein is a baby carrier and insert therein. In particular, a multi functional baby carrier that transitions seamlessly from one mode to another to allow the carrying of a child from newborn baby through to a toddler wherein the main body forms an adjustable seat width position to address ergonomic concerns when in a particular carrying mode. The main body portion also comprises a hands through pouch configured to allow a wearer to pass their hands through for additional support when carrying the child. The insert includes an adjustable length back support and is configured to engage with the main body of a multi functional baby carrier without requirement of separate fasteners to retain the insert within the main body of the multi functional baby carrier.

Abstract: A backpack frame with one or more pivoting joints that allows the separate sections of the frame to move independently from one another, thus allowing the frame to match the movements of the backpack wearer's upper body.

Abstract: There is provided a trolley mechanism for wheeled luggage, the wheeled luggage comprising four luggage wheels at a lower surface of the wheeled luggage and a deployable trolley handle at an upper surface of the wheeled luggage such that, in use, the wheeled luggage may be manoeuvred about by the deployable trolley handle in a substantially upright orientation supported by the luggage wheels and wherein the trolley mechanism comprising a deployable trolley deck, the trolley deck being pivotally coupled substantially at the lower surface of the wheeled luggage at a proximal edge of the trolley deck and having at least one trolley wheel at an opposite distal end of the trolley deck such that the deployable trolley deck is pivotally configurable between: a stowed configuration wherein the trolley deck lies against a surface of the wheeled luggage; and a deployed configuration wherein the trolley deck is deployed at a substantial right angle to the surface such that, when the wheeled luggage is in the substantiall

Abstract: A suitcase with portable fan. In some embodiments, the fan is attached to the telescoping arms of the suitcase. In some embodiments, the fan is removable from the telescoping arms of the suitcase. In some embodiments, the fan is embedded in the suitcase.

Abstract: The sleigh bed platform is intended for use in ice fishing for transport of equipment such as a tent shelter and sized to accommodate a single reclining person for rest on the ice. Sleigh bed invention is very light easy to pull across thin ice. Three laminated plastic layers with a inner component of expanded polystyrene form a rigid truss and thermal barrier that makes the sleigh bed a comfortable resting place. Expanded polystyrene is insulation and extremely buoyant providing a float in cases of breaking thru lake ice. Multiple soft rope handles secure loads with no sharp edges around the bed. A second invention use is for evacuation of injured skiers. Lightweight sleigh bed is easy to carry to an injured skier. A rigid front handle facilitates moving down hill with a passenger secured to the sleigh bed.

Abstract: Disclosed herein are embodiments of a cleaning apparatus having an adjustable exposed surface area, the cleaning apparatus including: a flexible body with a predetermined flexible body area, the flexible body having a flexible body collapsible portion; and a panel with a predetermined panel area which is lesser than the predetermined flexible body area, the panel coupled to the flexible body to form a receptacle sized to receive the flexible body collapsible portion when the flexible body collapsible portion disposes in a collapsed condition; wherein the cleaning apparatus is adjustable between a first configuration, in which the cleaning apparatus has a lesser exposed surface area, and a second configuration, in which the cleaning apparatus has a greater exposed surface area; and wherein the first configuration is generated by removably inserting the flexible body collapsible portion disposed in the collapsed condition into the receptacle.

Abstract: A backpack, or carrying bag capable of carrying multiple items in a variety of configurations and capable of being carried in a plurality of ways. The backpack may include modular panels that are interchangeable within the main pocket of the backpack. The backpack may have shoulder straps as well as hand straps. The shoulder straps may be restrained or “hidden” within or behind a panel on the back of the backpack. The hand straps may be positioned on lateral sides of the backpack or the top of the backpack to carry the backpack like a briefcase. An expandable pocket may be positioned on either lateral side of the backpack and may be automatically retractable when not in. The backpack may also be entirely expandable to create more space in the central pocket with a perimeter zipper that creates more volume within the body of the backpack.

Abstract: The backpack frame includes a substantially polygon main member with a set of horizontally-oriented-oval-shaped slots and a set of vertically-oriented-oval-shaped slots. At least some of the set of vertically-oriented-oval-shaped slots separate the horizontally-oriented oval-shaped slots. The substantially polygon main member includes a top end and a bottom end, the bottom end forming an obtuse angle with the top end, the bottom end including a set of mounting tabs disposed in a substantially perpendicular direction thereto. Each of the set of mounting tabs has a set of oval-shaped-slots and at least one circular slot. In one example the substantially polygon main member of the backpack frame has three top sides forming three sides forming a substantially octagon shape. Reinforcement brackets can be fastened by any fastening means to at least two of the three sides of the substantially octagon shape include a reinforcement bracket.

Abstract: A riding luggage storage system includes two side boxes symmetrically arranged, a side box pull rod movably arranged on each of the side boxes, a rolling structure installed on the outer lateral side of each side box, and two side boxes quickly mountable to form a draw-bar box. The luggage storage system has a compact and reasonable integral structure, and has at least one side boxes, with movably installed pull rods. A box body can be carried directly and artificially and moved between different places directly. The box body is easy to carry and suitable for carrying by riding vehicles such as motorcycles and bicycles.

Abstract: A method of providing ligamentory like support between two spaced locations in the body of a patient comprising fixing an anchor in each location, connecting the anchors by a filamentary element, adjusting the tension of the filamentary element between the locations to establish the desired spatial relationship between the locations to provide at least a supplementary ligamentory support between the locations.

Abstract: A bag is provided for a medical monitor attachable to a litter. The bag includes a housing satchel, an upper cowl, a harness, and first and second flaps. The upper cowl closes an upper opening through which the satchel receives the monitor. The first flap connects to a front side of the satchel from a bottom edge and secures at a top edge by detachable buttons. The first flap includes a window for viewing the monitor. The second flap connects to the first flap to reversibly cover the window. The harness attaches the satchel to the litter. The satchel further includes a utility pocket connected to the satchel at a bottom edge and flexible for rolling underneath the satchel.

Abstract: A travel bag, or bag capable of being positioned in multiple configurations to allow a user to carry the bag in a plurality of ways. The bag may include straps secured to the bag in such a manner as to allow a user to easily manipulate the straps into a first configuration and a second configuration. The first configuration may be in a backpack type configuration where a user may place the straps around his/her arms and shoulders to carry the bag on the back of the user. The second configuration may be in a duffle bag type configuration where a user may hold the straps in a single hand or arm. The straps may pass freely through a clip anchored to the bag allowing the bag to easily transition from the first configuration to the second configuration.

Abstract: A protective child carrier has an upper shell having a rigid outer surface and an expanded foam inner surface, the lower part of which is coupled to a lower shell also having a rigid outer surface and expanded foam inner surface. The upper shell and lower shell joined with an articulating fabric joint, the upper shell and lower shell attached to a semi-rigid back support at the top using removable fabric sidewalls which have removable attachments at the semi-rigid back support, and are attached to the semi-rigid back supports. The semi-rigid back support has shoulder pads attached at the top and bottom of the rigid back support.

Abstract: A backpack is provided having a waist belt with removable and position-adjustable hip pads. Hardware on the hip pads allows the position of the hip pads to be readily adjusted along a wearer's waistline. The hardware also allows the hip pads to be separated from straps of the waist belt that connect to the backpack, for example, allowing the hip pads and a front clasping portion of the waist belt to be completely removed as a unit.

Abstract: A golf bag having a shoulder strap assembly including a two strap system that can be converted to a single strap system is provided. In the two strap system, Strap A is fitted over one shoulder and Strap B is fitted over the other shoulder. To convert from a double strap configuration to a single strap configuration, Strap A is detached and slipped over the head area and coupled to Strap B. This results in a single strap comprising both Straps A and B. The combined Straps A and B are joined together by a suitable fastening means. For example, complementary male and female members that interlock with each other on the straps can be used. The shoulder strap assembly is durable, lightweight, easy to use, and comfortable. In another embodiment, a central hub connector having four open slots for retaining the shoulder straps is provided. The Straps A and B criss-cross each other in the hub connector. Strap A or B can be removed from the hub connector to convert the two-strap assembly to a single strap assembly.

Abstract: An Improved Back Pack including a removable pouch member structured and arranged to be attached within a convenient backpack assembly to provide consumers, from school children to busy commuting adults, with a conveyance that allows for easier access to small personal items such as eyeglasses or sunglasses, cell phones, wallets, keys, makeup, and similar items, without having to remove the backpack simply to access these, and other frequently needed accessories.

Abstract: A sports bag configured as a backpack for use in storing gear is provided. The sports Tag includes a main body having a pair of straps coupled to the top or back of the main body, and a pair of storage pouches coupled to the back and bottom of the main body, each pouch including a fastening member to provide access to the pouch, and each pouch including at least one strap to stow the pouch when not in use.

Abstract: A golf bag having a shoulder strap assembly including a two strap system that can be converted to a single strap system is provided. In the two strap system, Strap A is fitted over one shoulder and Strap B is fitted over the other shoulder. To convert from a double strap configuration to a single strap configuration, Strap A is detached and slipped over the head area and coupled to Strap B. This results in a single strap comprising both Straps A and B. The combined Straps A and B are joined together by a suitable fastening means. For example, complementary male and female members that interlock with each other on the straps can be used. The shoulder strap assembly is durable, lightweight, easy to use, and comfortable.

Abstract: Described herein is a baby carrier and insert therein. In particular, a multi functional baby carrier that transitions seamlessly from one mode to another to allow the carrying of a child from newborn baby through to a toddler wherein the main body forms an adjustable seat width position to address ergonomic concerns when in a particular carrying mode. The main body portion also comprises a hands through pouch configured to allow a wearer to pass their hands through for additional support when carrying the child. The insert includes an adjustable length back support and is configured to engage with the main body of a multi functional baby carrier without requirement of separate fasteners to retain the insert within the main body of the multi functional baby carrier.

Abstract: A wearable load redistribution system can include a base support structure and a thoracic frame configured to surround an upper torso of a wearer of the system. The base support structure can include a support frame and a plurality of support members disposed at distal ends of the support frame. The thoracic frame can include a coupling structure, a front plate, and a plurality of struts. A connector member can removably connect the coupling structure to the support frame. The plurality of struts is mated to the front plate to redistribute a weight of the front plate away from shoulders of the wearer and towards the base support structure.

Abstract: A head rest assembly is provided for a motor vehicle. The head rest assembly includes a body having a storage compartment and a cover for mating with the body and enclosing the storage compartment. Further, the head rest assembly includes a travel pillow that is held in the storage compartment where it is made conveniently available for use by a passenger of the motor vehicle.

Abstract: A compression system for an ergonomic backpack is disclosed. The backpack includes a backpack body having a top side, a bottom side, two lateral sides, a body side, an outer side and a pair of shoulder straps. In the embodiment, each shoulder strap is connected at a junction of the top side and the body side, extended along the corresponding lateral side, threaded through the D-ring with a distal end connected to the backpack body at a junction of the outer side and the lateral side. The invention also comprises an optional back panel and an optional back support device, secured to the body side. The back panel and support device may be filled with padding material such as a gel, foam, rubber, fluid or the like. When the user ties the two straps, the backpack is automatically compressed and moves closer to the user's back The system, operated like a regular two-strap backpack, allows the user to carry heavier loads for a longer period of time with less fatigue.

Abstract: A backpack for stowing and carrying a smart self-balancing electric scooter is provided. The backpack includes a tubular shaped body defining an interior compartment sized to fit a self-balancing electric scooter compactly therein. A pocket disposed in the interior compartment receives the scooter's battery and a slot disposed in the body provides a power cord access to the interior compartment, such that the scooter may be charged while stowed in the backpack. A flame retardant layer lining the interior compartment extinguishes any fire caused by the scooter battery, while the scooter charges in the backpack. An access flap and an access collar provide access to the interior compartment for stowing the scooter. A shoulder harness enables the backpack to be carried and a retractable handle and a plurality of multidirectional wheels enable the backpack to be towed while the scooter is stowed therein.

Abstract: Disclosed is a double carrier device for handheld electronic devices. The carrier device includes a first case and a second case, wherein each of the two cases is configured to hold a mobile device therein. The two cases can be removably attached to each other via a fastening mechanism disposed on each of the cases. The fastening mechanism includes a strap and a fastener that is configured to hold the two mobile devices together therein in a substantially side-by-side or stacked configuration within the two cases. In a preferred embodiment, the two cases are substantially equal in size and dimension so as to form a unitary structure when attached together.

Abstract: An adjustable carrying pack includes a main body having an outer surface with an upper portion, a lower portion, and a rear portion. A first strap having a plurality of loops is disposed along a first side of the outer surface of the main body and a second strap having a plurality of loops is disposed along a second side of the outer surface of the main body. A bottom strap includes a fixed end and a free end having an attachment element. In a first configuration, the attachment element of the bottom strap is attached to a loop of the first strap. In a second configuration, the attachment element of the bottom strap is attached to a loop of the second strap.

Abstract: A cover-type containing structure for flexible enclosures primarily includes a front cover sheet, a rear cover sheet and a flexible enclosure. The front cover sheet includes a first joining edge and a cover piece, whereas the rear cover sheet includes a cover assembly corresponding to the cover piece. The flexible enclosure includes a second joining edge and by engaging the first joining edge with the second joining edge, the front cover sheet and the flexible enclosure are fixed. Besides, the containing structure further includes a holding portion. Under a contained state, the holding portion is used to contain smaller objectives; whereas, in an unfolded state, in addition to using the flexible enclosure to contain larger objectives, the holding portion can be also used to contain smaller objectives. The present invention can be also applied to a piece of clothing combined with a bag unit or other flexible enclosure.

Abstract: A modular wearable object includes a main body, two combination plates, and a carrier. The main body includes a main portion and at least one extension portion. The extension portion extends outward from an end of the main portion. A part of each of the combination plates is fixed on the extension portion. Each of the combination plates has a first connecting portion located on a surface thereof facing the main body. The carrier includes a bearing portion and a positioning portion, wherein a space is formed therebetween to be passed through by the main portion. The positioning portion has a second connecting portion located on a surface thereof opposite to the main portion. The second connecting portion is adapted to be detachably engaged with each of the first connecting portions. A relative position between the main body and the carrier can be adjusted, and the carrier is replaceable.

Abstract: A lid of a backpack is disclosed having a compartment in which a standalone daysack having a shoulder strap is arranged. The compartment is transformable from a first state in which the lid is mountable to a backpack to a second state in which the standalone daysack is usable independently from the backpack. In the first state, the standalone daysack and its shoulder strap are stored within the compartment. In the second state, the compartment is inverted by turning the inside out so that the shoulder strap is usable for carrying the standalone daysack.

Abstract: A bag, comprising a first bag body, a second bag body, a connecting portion, first and second combination portion, and first and second engaging portion. The connecting portion connected to the first side of the first bag body and the first side of the second bag body. The first combination portion formed on the second side of the first bag body. The second combination portion formed on the second side of the second bag body. A combination member of the second combination portion is detachably combined with a combination member of the first combination portion. The first engaging portion disposed on the connecting portion. The second engaging portion disposed on the first combination portion or the second combination portion. Wherein a first engaging member of the first engaging portion is detachably engaged with a first engaging member of the second engaging portion, and a second engaging member of the first engaging portion is detachably engaged with a second engaging member of the second engaging portion.