Features: Make of thick None woven fabric. Reusable sliders can help you move heavy item with little effort! Easy to install. Please clean and dry the surfaces slider will be attach to, gently place slider on the bottom of the chair leg, and press firmly. Just lifting your furniture a few inches and slide these Pad under the feet, then you will be able to slide the heaviest furniture around your house. The furniture movers have strong grip and protections. It will not stain your furniture. It can help you move tables, bed, dressers, cabinets, bookcases, sofas, safes and many other heavy furniture on carpet. Specifications: Materials: None woven fabric Styles: 3.5inch/5inch 3.5inch inner diameter: about 76mm/2.99inch 3.5inch outer diameter: 90mm/3.54inch 5inch inner diameter: about 111mm/4.37inch 5inch outer diameter: 127mm/5inch Package Includes: 4Pcs Felts Furniture Slider Pad note: Please allow 1-2cm errors due to manual measurement, make sure that you do not mind before you order. Due to difference between different monitors, the picture may not reflect the actual color.