Just stick it on and set of 4 casters (easy to apply casters): Simply attach it to a variety of objects and turn it into a caster wheel. Easy to move around and use as well. (Ball type for 360 degree rotation) The casters are ball type, so they can be rotated 360 degrees. Even fine movements can be easily moved without any stress. (Casters that will not damage floors) The casters are made of slippery ball type pieces that are difficult to damage the floor. Spherical casters are slippery and are gentle on the floor. [Closet Accessory Storage] Attach it to the small storage in your closet, and you can easily access it and store it like a drawer. It can handle up to 17.6 lbs (8 kg), such as carrying container boxes, moving small ornamental plants, etc.