Brand Name: ACE | Color: Brown | Length: 3 in. | Material: Rubber | Number in Package: 2 pk | Self Adhesive: No | Shape: Square | Width: 3 in. 3 Square Rubber furniture cups protect hardwood and laminate floors from scratches and dents. They feature anti-skid rubber that prevents furniture and casters from moving. The inside surface is ribbed to further prevent movement and shaking.