Abstract: Provided is a traveling bag that can be folded to a small volume so as to be stored in a small space for reducing transportation and storage costs. The traveling bag has front and rear sides, and four peripheral sides connecting the front and rear sides. The traveling bag includes: first and second zippers each configured to connect three edges of each of two mutually facing peripheral sides of the four peripheral sides to one of the front and rear sides and edges of the other two peripheral sides, wherein when the first and second zippers are opened, the two mutually facing peripheral sides are foldable along the other edge thereof. Therefore, the traveling bag can be folded to a small volume so as to be stored in a small space. Furthermore, the traveling bag can be kept in a predetermined shape for storing and carrying items more safely.

Abstract: Disclosed is a cart type bag whose volume can be minimized when the cart type bag is carried or stored. The cart type bag is made of material that can be shrunk or restored depending on the volume of stored items, and comprises: a bottom side volume adjustment member that is arranged in the inner bottom side of the bag and comprises a pair of opposite base plates, which are foldable or unfoldable; a rest that is arranged in the outer bottom side of the bag and is fixed to one of the pair of base plates; a bag movement member that comprises a mount that is arranged in the outer bottom side of the bag and is fixed to the other of the pair of base plates and in which a mounting space is defined in the outer bottom side of the bag, and wheels that are respectively fixed to both lower edges of the mount; and a balancing means that balances the pair of base plates of the bottom side volume adjustment member such that the pair of base plates are not folded after the pair of base plates is unfolded.