[Chair Leg Covers with Wrapped Felt] - We have made many upgrades with the new design: the bottom is wrapped in felt (up to 0.4 \" or 10 mm), which works better when the chair legs are not at a right angle to the floor. When you sit down, the wood floor protector felt on the chair legs hits the floor instead of the rubber, so it doesn't roll off. [Thickened Chair Leg Floor Protector Bottom] - 0.2 \" (5 mm) thickened bottom and sturdy material make it more durable for wear and tear and longer lifespan. It prevents metal chair legs from piercing through. The silicone chair leg cover floor protector is noise-reducing, protects wood floors from scratches, and the wrapped felt makes it easier to slide the chair when moving it. Durable stretch to fit various sizes] - Silicone chair leg foot covers, bottom felt stretch to fit round leg Diameter 1.1 \" - 1.4 \" Furniture legs. Please measure before buying to save energy. Available in various sizes, shapes, and four colors (black/chocolate, brown, white, and clear). Very easy to put on and a tight fit. [Felt will never separate] - The chair leg cover and the felt are integrally formed, so the felt will never separate. 16 pieces of silicone furniture foot covers. The felt bottom is environmentally friendly and washable, suitable for furniture feet of all sizes: kitchen chairs, dining chairs, sofas, bar stools, dressers, patios, metal bistro chairs, office chairs, etc. Just stretch and put on, no tools needed. [Silicone Cap Waterproof] - Put furniture foot floor protectors on the metal legs of chairs or tables outdoors to prevent them from rusting.