Round rubber furniture caster cups is made of high-quality rubber material and has vertical on the , which has a good anti-slip effect and will not scratch the floor and locks furniture in place. It has a strong protective effect. Furniture cups is not only suitable for sofas, tables, chairs, beds, but also for appliances such as refrigerators and washing machines. The floor protector protects all types of floors, including hardwood floor, tile, glass, wooden floor and more. Furniture coaster has certain toughness and strong load-bearing capacity. It can not only protect the floor, but also will not damage the furniture legs. It is not difficult to install the anti skid caster cups, Just put wheels or furniture legs on the rubber furniture cups, at once protect floors and keep furniture still. Colour:Black Material:rubber Package Contents: 4 x Furniture Caster Cups Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.