Abstract: This invention relates to bra fitment using a bra band tightening device to draw the band of a bra tighter when worn by a user. The bra fitment device is a flat, semi-rigid material with a plurality of slots and bars to be used in methods to thread the end of a bra band through to maintain the bra band in a folded position while using the bra's existing clasp hardware. The opposing end wing slots and wing bars of the device are typically taller in shape than the center slots to accommodate bra bands of varying back styles. The folded bra band is shorter and therefore tighter and better fitting for said user.

Abstract: Provided is a fabric for binding and fastening, including a first cloth material and a second cloth material. The first cloth material has a first base cloth, and a plurality of curved hook structures is provided on a surface of the first base cloth. The second cloth material has a second base cloth, and a plurality of loop structures is provided on a surface of the second base cloth. The hook structures of the first cloth material and the loop structures of the second cloth material are embedded in each other for binding. The fabric is applicable to two objects that need to be bound and fastened, avoiding the two objects from moving freely.

Abstract: A slider garage includes an overmolded body, the overmolded body oriented on a zipper, the overmolded body including an overmolded male portion and an overmolded female portion, the overmolded male and female portions positioned on an end of the zipper, such that each is on one side of the zipper, the overmolded male portion being shaped such that it fits in the overmolded female portion in a watertight fashion and the overmolded body is molded over a portion of the zipper.

Abstract: A zipper assembly includes a slider for mating with a meshing together opposing teeth of a zipper. A pull extends from a first end secured to the slider to a second pull end to define an upper pull surface and a lower pull surface disposed in spaced and opposing relationship with one another. At least one tritium vial is housed within or coupled to the pull for allowing illumination produced by said at least one tritium vial to highlight the pull and improve visibility of the zipper assembly, particularly in dark or low-light conditions.

Abstract: A system and method for attaching design elements to an article of clothing are provided. The system includes an embroidered design element with a conductive layer coupled to a back surface of the embroidered design element. The system further includes a coupling member. In operation, the conductive layer is releasably and magnetically coupled to the coupling member with an article of clothing between the conductive layer and the coupling member.

Abstract: A flexible wrist tape banner to be worn around the wrist or head of a user for convenient transportation and easy release and display at sporting events. The flexible tape banner is highly visible in the extended configuration and very compact when rolled up around the wrist. The wrist tape banner can be adjusted to securely fit around any wrist or head. The wrist tape banner also functions as a writeable surface for receiving autographs or writing personal text. The flexible tape banner may also be used to display LED lights or to attach trading pins, noise makers, pom poms, or other accessories.

Abstract: A jewelry link having a first portion having an end, legs extending from the end and terminating in first portion end faces, and a first cross section; and a second portion having an end, legs extending from the end and terminating in second portion end faces, and a second cross section. An outer circumferential portion of the legs of the first portion are attached to an outer circumferential portion of the legs of the second portion. The first portion end faces and the second portion end faces are visible.

Abstract: A connector applied to a watchband is provided. The connector includes a main body, a first magnetic part, and a second magnetic part. The main body is configured for connecting a watchband body of the watchband, and provided with an installation groove and at least one opening communicating with the installation groove. The first magnetic part is movably installed in the installation groove and corresponds to one of the opening, and is able to extend out of or retract into the installation groove formed in the main body through the opening corresponding to the first magnetic part. The second magnetic part is installed in the installation groove. The second magnetic part is arranged in and limited in a moving direction of the first magnetic part. The first magnetic part and the second magnetic part have the same polarity on one end facing each other. The first magnetic part extends out of the installation groove formed in the main body under an action of the second magnetic part.

Abstract: A jewelry item has a first side including a first and second end with a stem and locking notch and a second side including a third and fourth end with a mounting stem and ball joint. The second end of the first side is connected to the fourth end of the second side. A closure has a collar rotatably connected to a rotatable connection element. The collar is connected to the third end and located between the third end and the rotatable connection element. In an open configuration, the stem with the locking notch of the first side can be inserted within a locking cavity of the rotatable connection element. In a closed configuration, the rotatable connection element is configured to be rotated to engage the locking notch of the stem, preventing removal of the stem from the rotatable connection element.

Abstract: Telescoping and/or folding pole, in particular for hiking, having a first tubular portion (1) and a second tubular portion (2). The first tubular portion (1) is arranged partially inside the second tubular portion (2) and can be axially displaced therein, the first tubular portion (1) has a radial opening (3) and a radially movable and resiliently loaded securing element (4) which extends through the radial opening (3) and on which the second tubular portion (2) is positioned such that an axial pushing-together of the first tubular portion (1) and the second tubular portion (2) is impeded is provided. The securing element (4) has a recess (5) with which the second tubular portion (2) cooperates such that radial movements of the securing element (4) relative to the second tubular portion (2) are prevented.

Abstract: The present invention discloses a novel side-arm umbrella structure, which consists of a bracket and an umbrella body connected to one side of the bracket, wherein the umbrella body forms an umbrella-shaped structure by an upper hinge disc, a lower hinge disc, a first diagonal pull rod, a second diagonal pull rod and a plurality of umbrella ribs and umbrella braces; and the novel side-arm umbrella adopts a transmission mechanism in the form of a chain gear to drive the folding and unfolding of the umbrella, so that the structure is compact and stable, the service life is longer, and the assembly is convenient and the maintenance is simple.

Abstract: A multifunctional suitcase is provided, the multifunctional suitcase includes: a suitcase body and fences disposed on the suitcase body, and the fences and a top of the suitcase body are configured to constitute a seat. The fences include: a front fence, a left fence, a right fence and a rear fence. The rear fence defines a second hollow part, which is configured to extend legs of a user sitting on a seat. When a child sits on the top of the suitcase body, the child can lean against the front fence, legs extend out of the second hollow part on the rear fence, so that the child can rest conveniently, and parents can free hands to do other things, fatigue during traveling is reduced, and the front, left, right and rear fences protect the child together, which not only has a sample structure, but also high safety and reliability.

Abstract: There is provided a mount and a case for attaching a mobile device to a further object. The mount comprises first and second coupling members and a body having a front face between the coupling members and that faces the case when the mount is attached to the case. The first and second coupling members define an undercut, for receiving part of the case. The case has an attachment for attaching the case to the mobile device, a cover for covering part of the mobile device, first and second openings in the cover, and first and second overhangs that define undercuts in the cover for mating with corresponding respective overhangs of the mount.

Abstract: A case for a flat collectible item. The case provides pivotably coupled front and rear pieces that move between an open condition and a closed condition encasing the collectible item in a card recess. The card recess provides flared corners to prevent damage to the encased collectible item. The front and rear pieces each have exterior surface that provide stacking ridges that are uniformly offset from their respective perimeters so that when a first case is stacked on a second case, the front stacking ridge of the first case circumscribes the second rear stacking ridge of the second case, preventing or restricting lateral shifting of the stacked cases.

Abstract: The present disclosure discloses a turntable structure and an electronic product protective case using the same. The turntable structure includes a base plate and a handheld ring arranged on an outer side of the base plate; one end of the handheld ring is hinged to the base plate; a first groove convenient for opening the handheld ring is arranged at the other end of the handheld ring; several clamping portions are arranged along an edge of the base plate at intervals; the clamping portions include recesses arranged along the edge of the base plate and buckling rods arranged in the recesses; one end of each buckling rod is fixedly connected to a side wall of each recess, and a protrusion is arranged at the other end of the buckling rod. The present disclosure belongs to the field of protective cases.

Abstract: A luggage tag includes an electronic ink display screen affixed to a surface of the luggage tag. Tag memory of the tag stores a unique identifier. An antenna receives an electromagnetic signal. Circuitry of the tag captures energy and acquires data from the electromagnetic signal received by the antenna and powers the electronic ink display with the captured energy. A processor receives the data acquired by the circuitry from the electromagnetic signal and produces an image on the electronic ink display using the acquired data if the acquired data includes a match to the unique identifier stored in the memory.

Abstract: A thick hair elastic includes a band that comprises a continuous loop. The band may be formed from a yarn that has been woven into the continuous loop or fibers that have been woven into the continuous loop. Opposite edges of the band may be rolled inwardly around a circumference of the band. A central opening of the thick hair band, which is defined by and extends through the band, may have a size sufficient to enable it to be worn around an individual's wrist, like a bracelet. Methods of manufacturing and using thick hair elastics are also disclosed.

Abstract: There is described a hair tool comprising a handle and a spine extending from the handle to a top, and two opposing ends which extend from the spine respectively at a top and proximal to the handle, to form a structural base with the spine, wherein the comb further comprises a plurality of teeth extending from one side of the spine between the two opposing ends, and wherein the structural base comprises a chamfered outer edge between the spine and the end at the top of the spine, and wherein an adhesive pad is disposed on the chamfered edge, the adhesive pad comprising an exposed foil side with an adhesive for adhering to and picking up strips of aluminium foil.

Abstract: An airtight loose powder case structure having a powder puff includes a base, an upper lid, an inner cup, the powder puff, and an inner lid, where the powder puff is provided in the inner cup; the inner cup is provided in the base; the upper lid overlays an opening of the base; screw threads matched with each other are respectively provided on the upper lid and the opening of the base; the inner lid is located under the upper lid; the inner lid is configured to move freely relative to the upper lid in an axial direction; the inner lid is configured to rotate freely relative to the upper lid in a circumferential direction; a seal ring is provided under the inner lid; the seal ring is configured to abut against an inner side of the inner cup; and the powder puff is located in the seal ring.

Abstract: A cosmetic container includes a housing, a powder tray, an inner lid, and a button assembly. A housing includes an upper lid and a lower lid, where one side of the upper lid and one side of the lower lid are hinged to each other, the other side of the upper lid and the other side of the lower lid each are an open side, and the open side is configured to be locked and unlocked. When a button is pressed, the other end of the button stretches into a space under an oblique protrusion of the powder tray to lift the powder tray. The lifted powder tray is close to the inner lid and compresses a pump spring. A pump seat is close to a pump pressure rod. An air pressure in the pump seat is increased, such that a pump piston is lifted to expose a powder inlet.

Abstract: A modular cosmetic container assembly includes a base having a bottom wall and a plurality of sidewalls defining an insert receiving space, and a plurality of inserts removably insertable into the insert receiving space. Each of the inserts has a same plurality of outer dimensions and at least one well. The inserts differ in a number of the wells in each of the inserts. The insert receiving space is sized to receive at least two of the plurality of inserts that are all interchangeably positionable in the insert receiving space.

Abstract: A medical solution applying tool is composed of a brush, an inside stopper to which the brush is attached, and a cap including a fit-insertion closed-end hole into which the brush and a distal end portion of the inside stopper are fittingly inserted. The inside stopper is provided with a holding portion holding the cap such that the brush and the distal end portion of the inside stopper are fittingly inserted into the fit-insertion closed-end hole, whereas the cap is provided with a held portion held by the holding portion.

Abstract: A packaged deodorant stick product comprising a deodorant stick composition mounted on an axially immobile retaining member, the retaining member being reversibly connected to a holder enabling the deodorant stick product to be held in the human hand, wherein the retaining member comprises arcuate bridge structures separated by holes, the bridge structures arcing into the deodorant stick composition and being embedded therein.

Abstract: Cosmetic devices and methods to improve adhesion of a cosmetic product to a surface of a body part of a user are disclosed. Low concentrations of surface enhancing fluid, for example, ozone generated from the atmosphere at a rate of 0.05 g/hr to 10 g/hr, can be applied to a body part sealed within a chamber. Priming the surface of the body part inside the chamber with the ozone for 10-35 seconds can increase a surface energy of the body part for cosmetic application, improving the durability and/or appearance of the cosmetics on the biological tissues. The devices can include a recirculation system and/or a filter system to reduce the likelihood of the surface enhancing fluid being released into the atmosphere and/or to increase oxidation of the chemical generated by the device after use of the device.

Abstract: A method is provided for preparing a hair dye color mixture. The method includes: accessing a control system having at least a processor, a memory, and user input controls, the memory configured to store ingredients of a hair dye color mixture, receiving user input from the user input controls to change one or more ingredients of the hair dye color mixture to a new product brand; matching the color of the hair dye color mixture using one or more ingredients of the new product brand, in response to the user input; and displaying the ingredients of the hair dye color mixture in the new product brand on a display.

Abstract: A backpack device having a harness unit and a battery pack receptacle, fastened thereto, for receiving a battery pack for supplying a hand-held electrical device with energy, wherein the harness unit has a strap adjusting device via which a shoulder strap of the harness unit can be adjusted such that the battery pack receptacle can be moved from a back position into a waist position, wherein the shoulder strap remains, at least partially, on a shoulder of the user with a load-transferring effect.

Abstract: A frame for a scanning device includes a supporting device for fitting and carrying the frame by a person. The supporting device has a shoulder rest for placing the frame on the person's shoulders. The frame further includes an upper frame section, to which a first holder for the scanning device is fastened, with the first holder located above the person's head when the person is carrying the frame by means of the supporting device. The frame further has a contact part which is connected via a bracket to the shoulder rest, with the contact part located at the level of the person's hip region when the person is carrying the frame by means of the supporting device. A spatial detection device includes a scanning device and a frame.

Abstract: Disclosed herein are apparatuses for strengthening or stabilizing the glutes, the abdominal muscles, or the core of a person wearing one of the apparatuses. In some embodiments, an apparatus includes a bag that can rest near or on the glutes, stabilized by a front harness that activates, strengthens, or stabilizes the abdominal muscles. The apparatus includes straps that wrap around the hips and connect the front harness to the bag. For example, two pairs of straps can connect the bag to the harness, and one pair can wrap at the top or just above the hips and the other pair can wrap at the bottom or just below the hips.

Abstract: The tape measure has a tape, which is partially received within an interior of a housing. An attachment is fixedly attached with one side of the housing, and the attachment has an outer surface that faces away from the housing and that is provided with a knife sharpening material. The attachment allows a user to conveniently sharpen their knife without carrying around a separate sharpening stone.

Abstract: An oral care implement kit which incorporates a handle, a first head, and a second head. The handle has a vibration generation device, a processor, a memory, and a sensor. The first head and second head are configured to be detachably coupled to the handle. The processor is operably coupled to the vibration generation device and the sensor. The sensor is configured to sense which of the first and second heads is coupled to the handle.

Abstract: Conventional paintbrushes usually consist of a handle and a permanently attached brush-head. While the brush-head often has a short lifespan due to bristle wear, the handle can last much longer. However, because of their permanent connection, both parts are typically discarded once the brush-head deteriorates. The current invention addresses this problem by featuring a paintbrush with a brush-head that is removably connected to the handle, allowing for easy attachment and detachment without requiring tools or altering either component. This invention also outlines specific techniques and mechanisms to ensure a durable yet detachable connection between the brush-head and handle, achieved cost-effectively and without significantly complicating the design of either part.

Abstract: An applicator device includes a first application assembly and a second application assembly, where the first application assembly includes an application portion and a mounting portion; a first bristle is provided on the application portion; a bending portion and a second bristle are provided on the second application assembly; the second application assembly is sleeved on the first application assembly along an axial direction of the first application assembly; and the bending portion hooks the mounting portion along a first direction of the mounting portion so as to fix the second application assembly on the first application assembly. The first application assembly and the second application assembly are provided. The first bristle is provided on the first application assembly, while the second bristle is provided on the second application assembly.

Abstract: Disclosed are oral hygiene devices for animals, such as cats and dogs, and methods for cleaning the teeth and gums of the animals using the devices. The devices include a proximal handle portion and a distal portion with a cleaning head with bristles, with the proximal and distal portions being detachable. One proximal portion features a curved neck, a tapered cleaning head with angled bristles, and a protuberance at the end of the cleaning head. Another proximal portion features a curved neck and a cylindrical cleaning head with clusters of bristles about its circumference arranged in a staggered pattern.

Abstract: A device for providing oral care includes at least one lumen fluidly coupled to a brush head. The lumen is adapted to suction fluid via an aperture disposed within the brush head. The brush head may be provided an oral cleaning fluid to facilitate cleaning of oral anatomy. The oral cleaning fluid may be provided within a cup provided within a containment assembly coupled to the oral care tool. Alternatively, or in addition, the cleaning fluid may be provided via fluid reservoir fluidly coupled to the oral care tool. The brush head comprises a bristles section and a foam section.

Abstract: The present disclosure provides a cover for a cosmetic brush that includes a handle, a ferrule, and bristles. The cover comprises a body having substantially the same shape of the ferrule and bristles and comprising a stretchable and conformable material, the body having an internal volume sufficient to contain the entirety of the ferrule and bristles; a first opening at a first end of the body for receiving the cosmetic brush in a handle-first orientation; a stretchable second opening at a second end of the body, the second opening being less than or substantially the same width as the ferrule and capable of stretching to admit the ferrule therethrough; and a flap distally extending from the first end of the body, the flap configured to fold over the body to substantially cover the first opening and comprising a closure mechanism capable of attaching to the body. The cover is capable of holding the cosmetic brush substantially in place. Also provided herein is a covered cosmetic brush.

Abstract: A shoe organizer unit, a method of using a shoe organizer unit, and a method for storing shoes in a plurality of shoe storing shelves of a shoe organizer unit are described. The shoe organizer unit includes a plurality of shoe storing shelves adapted to store shoes therein. A plurality of linear actuators moves the plurality of shoe storing shelves in a path within a cabinet. A controller manages operation of the linear actuators to move the shoes along the path. Transparent panels secure the shoes within the cabinet. Secure storage and retrieval of the shoes is controlled by electronics including a keypad, a push button and a shoe shelf identification code card printer. The shoe organizer unit provides for sterilization of the shoes stored and secure storing and retrieval of the shoes.

Abstract: A dressing table includes a mirror table, a dressing mirror, a light-emitting lamp, a voice collector, and a controller. The dressing mirror is disposed on the mirror table. The light-emitting lamp is disposed on the dressing mirror. The voice collector collects voice information. The controller is electrically connected to the voice collector and the light-emitting lamp. The controller controls the light-emitting lamp according to the voice information.

Abstract: A slide rail assembly includes a first rail and a second rail. The first rail includes a first wall, a second wall and a first middle wall connected between the first and second walls. The second rail includes a first side wall, a second side wall and a second middle wall connected between the first and the second side walls. The first middle wall is arranged with a first ball groove, and the second rail further includes an extension wall including a first extension section, a second extension section and a first middle section connected between the first and second extension sections. The first extension section is extended from the first side wall, the second extension section is extended toward the second middle wall, and the first middle section is formed with a second ball groove. At least one rolling member is located between the first and second ball grooves.

Abstract: A three-section slide rail device includes an outer section, a middle section and an inner section. An outer rail of the outer section has a sliding surface and an anti-retraction block and a releasing block formed on the sliding surface. A middle rail of the middle section is slidably disposed on the outer rail. An anti-retraction member and a driven member are pivotably mounted on an end of the middle rail. An inner rail of the inner section is slidably disposed on the middle rail, and has an abutment plate and a driving plate formed on an inner surface of the inner rail. The abutment plate abuts upwardly against the anti-retraction member, and is moved to disengage from the anti-retraction member to permit abutment of the anti-retraction member against the anti-retraction block so as to prevent retraction movement of the middle section relative to the outer section.

Abstract: A three-section slide rail device includes an outer section, a middle section and an inner section. The middle section includes a middle rail and an inner middle block. The inner section includes an inner rail slidably disposed on the middle rail, and a removal operating assembly disposed on the inner rail. The removal operating assembly has a removal operating member, a removal connecting plate and a removal locking member pivotably mounted on the inner rail and having a removal guiding slot. The removal locking member has a locking portion and a protrusion. The removal operating member is operated to move the removal connecting plate and bring the protrusion to move along the removal guiding slot to result in pivoting of the removal locking member so as to disengage the locking portion from the inner middle block for permitting removal of the inner section from the middle section.

Abstract: A three-section slide rail device includes an outer section, a middle section and an inner section. The middle section includes a middle rail slidably disposed on the outer section, a ball sliding plate slidably disposed on the middle rail, and a leaf spring at one end of the middle rail. The ball sliding plate has a plate body, a synchronizing block and a positioning hole formed on the plate body. The inner section includes an inner rail and a synchronizing actuating member pivotably mounted to the inner rail. The synchronizing actuating member is in an abutting engagement with the synchronizing block during an extended movement of the inner section relative to the middle section to make synchronizing movement of the ball sliding plate with the inner section until the positioning hole of the ball sliding plate is engaged with the leaf spring.

Abstract: A slide rail assembly includes at least two slide rails. One of the two slide rails includes a pair of walls and a middle wall connected between the pair of walls. The middle wall of the slide rail is arranged with a predetermined part bent relative to the middle wall, and the predetermined part is formed with a ball groove.

Abstract: Apparatus and associated methods relate to a storage system having a drawer supported, when extended from a housing, by a lid. In an illustrative example, the drawer may have a first engagement feature. The lid may, for example, have a second engagement feature. The housing may, for example, have a first slide configured to slidingly receive the drawer. The housing may, for example, have a second slide configured to slidingly receive the lid. In a support mode, for example, the lid may be disposed in the second slide beneath the drawer such that, when the drawer is slid out of the housing beyond a first distance, then the engagement features interact to extend the lid from the housing such that the lid supports at least a portion of a weight of the drawer. Various embodiments may advantageously provide a cost-effective, transportable, and/or modular storage system.

Abstract: The present disclosure discloses a retractable drawer dividing device, including a dividing body and a movable plate. The dividing body is a rectangular shell and internally provided with a retractable chamber extending to both ends along a length direction of the dividing body, and one end of the movable plate is slidably inserted into the retractable chamber from one end of the dividing body. A stopper mechanism is provided between the dividing body and the movable plate for limiting the sliding of the movable plate in the retractable chamber. A buffer mechanism is provided at the other end of the dividing body and configured to cushion a force applied on an inner wall of an installation site by the dividing body during installation. The retractable drawer dividing device of the present solution is used for partitioning the internal space of drawers and cabinets to increase the internal storage space.

Abstract: A strap anchor assembly is disclosed herein and configured to be coupled to a storage racking having a plurality of vertical supports with retaining holes defined therein. The strap anchor assembly may comprise at least one mounting bracket and a plurality of strap retainers. The at least one mounting bracket including a plurality of holes and one or more studs configured to be received by certain ones of the retaining holes of the storage racking. Each of the plurality of strap retainers configured to be received by one of the plurality of holes of the at least one mounting bracket. An end portion of a strap is configured to be received through one of the plurality of holes and wrapped at least partially around one of the plurality of strap retainers prior to the one of the plurality of strap retainers being received by the associated hole.

Abstract: Retaining brackets to fixedly secure either a singular modular shelving unit or multiple modular shelving units are disclosed. The retaining brackets can prevent modular shelves from dislodging, by positioning the retaining bracket such that an opening on the retaining bracket aligns with a mounting location on a vertical member of the modular shelving unit, and a distance between a retaining surface of the retaining bracket and a top surface of the modular shelf is small enough to prevent dislodging of the modular shelf when the retaining bracket is installed. The retaining surface of the retaining brackets can vary depending on the configuration used to retain the modular shelf, as well as the embodiment of the retaining bracket used.

Abstract: A cabinet device is proposed. The cabinet device has an upper surface assembly of which an upper surface is separately provided from an outer casing, and the bottom of the upper surface assembly is coupled to an upper surface of an inner casing. Therefore, the appearance design of the cabinet device is freely and easily changed in response to a user's need.

Abstract: A seat frame includes a base, a driving member and a stretching member. The driving member and the stretching member are disposed on the base. The stretching member includes backrest assemblies, cushion support assemblies and leg rest plate assemblies which are positioned on left and right sides of the base and set in pairs. A front end and a rear end of the cushion support assembly are hinged with one end of the backrest assembly and one end of the leg rest plate assembly respectively. When the seat frame is in a television (TV) posture and a lying posture, and the leg rest plate frame is inclined upward with respect to a horizontal plane.

Abstract: Individual items of furniture and components thereof are described herein. The furniture can be used as individual pieces or connected to form a furniture system. A seat module is attached to three or four legs to form a chair; optionally the legs are part of a leg module. Two or more seat modules can be connected using a connection system to form a sectional, such as a multi-seat sofa. Each seat module is connected to one or more legs via the same or a different connection system. Each furniture system or item of furniture contains at least one seat module. The seat portion of each seat module typically contains one or more slots configured to facilitate drainage. A seat cushion can be placed on the top surface of the seat portion and is held in place via a plug that inserts into a top opening in the seat portion.

Abstract: An assembled rocking chair is provided. The assembled rocking chair includes a rocking chair skeleton and a coat main body, where the rocking chair skeleton includes a chair seat skeleton, a chair back skeleton, a chair seat support assembly and a chair back support assembly; the chair seat skeleton and the chair back skeleton are both constructed to detachable skeletons; the chair seat skeleton at least includes arc-shaped members capable of being placed on a ground to achieve swinging forwards and backwards; the coat main body includes a chair seat sleeve and a chair back sleeve that are integrally connected; and a bottom of the chair seat sleeve or a back of the chair back sleeve is constructed with a mounting port, the chair seat sleeve or the chair back sleeve at an edge of the mounting port is detachably provided with a sealing cover.