The box adhesive wheel adopts steel and ABS material, can serve you long period. Though this storage box wheel is simple in design, but it is practical when being used. Perfect for flowerpot, storage box, trash bin and more. Help you to move the heavy duties, a wonderful helper for household work. Features - Color: white. - Material: ABS, steel. - Size: 4.60X4.60X1.00cm/ 1.81X1.81X0.39inch. - Adopting steel and ABS material, these bottom adhesive wheels are with excellent durability and practicality. - Sticking it to the bottom of the storage case and trash bin, you can move them more easily and conveniently. - The wheel is a ball shape pulley, which can rotate freely in all directions and move to any angle. - It will not shake or make much noise when pushed, safer to move and push under pressure. - Compact size and light weight, sticking to the bottom of the object, without influencing the overall appearance. Package list: wheels