The wheels can be perfectly installed to the furniture legs firmly, allowing you to drag heavy furniture more effortlessly. wheels have 360° free rotation, unlimited sliding. Easy to use, just install on the legs of the furniture, simple to use. And they can be your good helpers and also can be your . Features -Color:Assorted Color -Material:Rubber, iron -Size:9.00X5.00X3.00cm/3.54X1.97X1.18in -Made of rubber and iron materials, with detailed workmanship, wheels are not easy to break or deform, for lasting use. -The ball caster has smooth surface and can move smoothly, which will not damage the floor. -You can easily install the wheel on the legs of your furniture, to make it easy to move. -The wheel is suitable for office chairs, sofas, cabinets, footrests, coffee tables, plant stands, and other furniture. -The wheel has good bearing ability, and can be installed easily, and will not make much noise while moving. Package list: 4 x Caster Wheels