• Integrated felt pad: The round silicone floor protectors for chair legs feature an integrated felt pad in the thickened bottom (up to 10 mm). Made with premium thermoplastic elastomer material, they are durable and stretchable. • Thickened felt bottom: The 5 mm thickened bottom and strong material make the wear much more durable. They protect your hardwood floors, ceramic tiles, and linoleum from damage and scratches. • Universal shape and size: The silicone covers for chair legs have high elasticity and fit different leg sizes (20-26 mm, 26-33 mm, 33-40 mm). Available in two colors (black and translucent) and two shapes (round and square). • Protection and noise reduction: The chair floor protectors for hardwood floors have strong adhesion and wrap around the chair legs, reducing noise and protecting against scratches. • Easy to install: The rubber caps for chair legs are easy to install without the need for tools. Simply place them on the chair legs. No need to stick, they are easy to wrap and do not fall off easily.