Material: Our silicone chair leg protectors use no gel and no nails. We use special technology to combine the felt and the silicone into one inseparable piece. Package includes 16 pieces. Common size: Circular diameter 33mm/38mm. Installation: The felt furniture pads are easy to put on, no tools needed, no chair foot cleaning required, and they are not easy to fall off. Use: Chair leg protectors for hardwood floors, cushion cover protects hardwood floors and tiles from scratches, reduces noise, and prevents bumps. Felt pads on the bottom reduce resistance, allowing furniture to move easily and quietly without lifting. Shape: Can be applied to various shapes of round and square chair feet, such as restaurant chairs, terrace chairs, kitchen chairs, metal bistro chairs, etc. After disassembling the product, you can continue to use our chair leg covers in a new location. If dirty, they can be washed directly with water.