Product description: Material: ABS + 304 stainless steel Color: White Size: 4.5 x 4.5 cm. Delivered without screws High-quality materials: Swivel casters are made of high-quality ABS+304 stainless steel, which is not easy to fall off, is durable and has strong load-bearing capacity, you can use it with peace of mind. Practical performance: There are 3 steel balls at the bottom of the small furniture wheel, which increases the load-bearing capacity and mobility, and the design is 360 degrees, which can be rotated flexibly and moved more easily. Quiet design: Furniture wheels move smoothly and evenly, without noise or harshness, and no harsh sound will affect you when you move, providing you with a comfortable environment. Wide range of applications: Mini swivel casters are suitable for storage boxes, bedside tables, trash cans, tables and more suitable for kitchens, offices, bedrooms, bathrooms and other scenes. Package content: You will receive 20 swivel casters, convenient ball wheels provide more convenience to your life.