Size Name:20x20mm Prevent the furniture feet from scratching the floor board, and reduce the noise when moving the furniture. Notes: It is great for protecting your household furniture tables and chairs from moving or sliding around, also can protect your tile, wood or vinyl floor from scratches. Keep your couch from leaving a big dent in the floor when nothing is under the legs. They will work great on furniture legs, such as chair leg, table leg, couch leg, etc. Please check your table leg dimension to fit the rubber foot before buying this item.