We are also selling this item in different sizes. Please check our product list. Chair Leg Covers Silicone Chair Leg Caps Chair Covers Felt Floor Protection Noise Prevention Scratch Prevention Easy to Attach Round Legs Set of 16 [Size] Diameter: 17-21mm Depth: 22mm The bottom is made of felt material, which provides soundproofing when moving chairs, cushions impacts, and protects floors from scratches. It also makes sliding smoother, allowing for easy movement. These soft silicone caps are elastic and durable, and can be easily attached and removed. The added slits allow for flexible shape changes, making them suitable for various types of chairs. This set includes 16 pieces, with one extra piece included as a spare. This is a personal item stored at home. Please refrain from purchasing if you are looking for a perfect product or are sensitive. Mercari Anonymous Shipping Free Shipping Immediate purchase without comment is OK. Thank you for looking.