DescriptionThese are mini adhesive casters, they can be pasted on storage box, garbage bin, wooden board and other suitable furniture. Smooth moving, it is a easy way to help you transfer items quickly. Easy to operate, quiet and strong load-bearing, very practical.Features-Color: Grey. -Material: ABS. -Size: About 4.5x2x2cm/1.77x0.79x0.79 inch. -The casters can be pasted on the bottom of the storage box and the garbage can, making them move, more labor-saving and convenient. -By using these adhesive caster, it wont damage the surface, no trace, no drill and do not affect the beauty of the storage box. -Simply peel the film on the back, firmly press onto the smooth surface. -These self-adhesive wheels allow objects to roll smoothly and quietly without making a jarring sound. -These wheels will not scratch or leave marks on surface.