Features: 360 smooth rotating: Paste type double ball pulley 360 smooth rotating storage box storage box trash can can be used.Two-wheel design the center of gravity is more stable the edges are smooth. The ball roller wheel is small and light and it is almost invisible when attached to the bottom of the furniture. Strong bearing: Thickened ABS high strength roller rack. Strong bearing not easy to wear strong and easy to use.Wear-resistant smooth firm. The sticky pulley is small and light and can be attached to the bottom of the object.Multi-angle movement Movable metal ball easy to move. Multi-angle movement without hindrance.Smooth movement save worry and effort. Girls can also move easily. Powerful weighing capacity the sliding noise is small quiet and noise reducing. Nail-free installation: Stick on the bottom of the article do not affect the appearance. Easy pile can move.Nail-free installation only need to gently paste tear can paste. It rotates freely and rolls infinitely without making noise. No scratches/marks to wood floors.Convenient and labor-saving You can easily pull storage boxes and small furniture which is very convenient and labor-saving.These cute casters are not only suitable for shoe boxes trash cans small containers smooth and easier to move but are also a perfect DIY accessories good children's toys arts and crafts works. Specifications: Material :ABS+ steel plated nickel Color:Black white Size(about):5.3x3cm/2x1.2inch(LxW) Package Included: 8pcs x Mini Caster Wheel