A grocery storage system includes two or more bags having retractable members whose faces comprise connecting means such as Velcro material allowing the bags to connect to one another. The bags can be placed inside a shopping trolley in an accordion fashion facilitating separation of different grocery items and convenience of portability. The retractable members facilitate use of the storage system in shopping trolleys of different sizes. The bags include different type pockets which can be used for different items, such as bottles, fragile items such as eggs, and personal items such as the shopper's wallet or smartphone. Grips which may include Velcro patch coupled with two distal bags are used to secure the storage system within the shopping trolley. Bags can be made from fabric having lower sections made from fish-net or transparent material. One of the bags maybe, selectively, made from heat-insulating material facilitating control of temperature of grocery items.

A multi-purpose folding bag system with a handle, having the form of a decorating element-keyring, consisting of the main body of cylindrical shape, at the one end of which there is a detachable head, which when detached, allows the net bag located in the storage place of the main body to unfold, and when it is then fitted to the other end of the main body, an anatomical handle is created for the easy and safe transport of the items placed into the net bag. Following its use, the net bag is repositioned within the storage place, whereas the detachable head is attached to the free end of the main body which again acquires the form of a decorative element-keyring.

Provided is a shopping bag adopting a unique design structure, so that a user's will to re-use the shopping bag can be strengthened and the shopping bag is easy to be processed. The shopping bag entirely has an elliptical structure and comprises: a central portion on which an object is placed; a peripheral portion which surrounds the central portion and has various cut patterns formed therein; and a pair of handle portions which are symmetrically formed at both sides of the edge of the peripheral portion, wherein the specially designed cut patterns are adopted in order to relieve asymmetrical stress caused by the elliptical structure and stress concentration due to the cut patterns.

An expendable and transportable bag is disclosed. In one embodiment, a stretchable reusable bag hidden inside a lanyard keychain is now readily available to carry goods in a moment's notice of under 5 seconds. An attachment device enables the Sneakey-Bag to consistently be with the consumer, for example, with the consumer's keys or ID card and can be put away entirely in the lanyard in 3 to 5 seconds.

A multi-purpose folding bag system with a handle, having the form of a decorating element-keyring, consisting of the main body of cylindrical shape, at the one end of which there is a detachable head, which when detached, allows the net bag located in the storage place of the main body to unfold, and when it is then fitted to the other end of the main body, an anatomical handle is created for the easy and safe transport of the items placed into the net bag. Following its use, the net bag is repositioned within the storage place, whereas the detachable head is attached to the free end of the main body which again acquires the form of a decorative element-keyring.

A Stretchable Reusable bag such as for shopping or groceries that is small enough to be kept inside a pocket when in its Compacted Mode and easily and quickly decompressed into an Empty Mode and then expandable to a large In-Use Mode in which it is capable of adapting to the shape and volume of Regular-Sized Items until acquiring a total volume of 500 times the volume of the bag in its Compacted Mode through Smooth Transitions, is achieved by sewing one or more handles to an elastic waistband attached to a rectangular or squared Main Body primarily made of a Nylon-elastane fiber material, preferably in its 85% nylon-15% elastane configuration and its micro-fishnet mesh variant. A method is disclosed for the formation of these bags out of the repurposing of a micro-fishnet pantyhose.

An expendable and transportable bag is disclosed. In one embodiment, a stretchable reusable bag hidden inside a lanyard keychain is now readily available to carry goods in a moment's notice of under 5 seconds. An attachment device enables the Sneakey-Bag to consistently be with the consumer, for example, with the consumer's keys or ID card and can be put away entirely in the lanyard in 3 to 5 seconds.

A Stretchable Reusable bag such as for shopping or groceries that is small enough to be kept inside a pocket when in its Compacted Mode and easily and quickly decompressed into an Empty Mode and then expandable to a large In-Use Mode in which it is capable of adapting to the shape and volume of Regular-Sized Items until acquiring a total volume of 500 times the volume of the bag in its Compacted Mode through Smooth Transitions, is achieved by sewing one or more handles to an elastic waistband attached to a rectangular or squared Main Body primarily made of a Nylon-elastane fiber material, preferably in its 85% nylon-15% elastane configuration and its micro-fishnet mesh variant. A method is disclosed for the formation of these bags out of the repurposing of a micro-fishnet pantyhose.

According to an embodiment, a net carrier comprises a flat main body formed of a flexible material, including a plurality of slits formed offset from each other along a radial direction of the main body, and transforming into a bag shape as the plurality of slits are wide open when an external force is applied to the main body, a pair of handle straps projecting from two opposite edges of the main body in opposite radial directions of the main body, and a pair of main neck straps crossing and supporting a neck of a container when the main body folds up to receive the container.

An expendable and transportable bag is disclosed. In one embodiment, a stretchable reusable bag hidden inside a lanyard keychain is now readily available to carry goods in a moment's notice of under 5 seconds. An attachment device enables the Sneakey-Bag to consistently be with the consumer, for example, with the consumer's keys or ID card and can be put away entirely in the lanyard in 3 to 5 seconds.