Description:The clever design rolls the shopping bag into a palm-sized disc, designed with hooks, easy to carry.Reduce chance to use plastic bag, help reduce white pollution.The knob is free to shrink, rotate inward to store it, and pull the hook outward to turn it into a wide-shouldered backpack.Made of ABS and nylon material, sturdy durable to use and reusable.Great for grocery shopping, travel, home organizing, outdoor camping, etc.Specification:Material: ABS NylonSize Chart:Nylon Bag Storage Box: 10x10x4cm/3.94x3.94x1.57inchInner Bag Size: 37x40cm/14.57x15.75inchPackage Includes:1x Grocery Shopping BagNote:1. Please allow slightly error due to manual measurement.2. Due to the difference between different monitors, the picture may not reflect the actual color of the item.3. Wish you a wonderful on-line shopping!