Since it is attached with "Velcro", it is a storage stocker that can store plastic shopping bags and garbage bags that can be attached to glass-top refrigerators without magnets, which have been increasing recently, kitchen walls, sink doors, etc. It can also be placed on a flat surface such as a kitchen drawer. (You can also use commercially available nails by attaching them to the wall.) It has a neat form that is not bulky, but even if you put a plastic shopping bag that is just rolled up easily, or even if you put a bag a little too much, the stopper of the lid will work and the lid will close with a click. Since the lid stops in two stages, you can put in and take out the plastic bag. * Note: Please refrain from using on wallpaper, vinyl leather, and painted surfaces.