Heavy duty felt pads by Shepherd Hardware Products are designed to provide unmatched protection to furniture and hard floor surfaces. Heavy duty felt pads are composed of an extra dense synthetic blend and pressure-sensitive adhesive with an additional hardening process to ensure rigid long-lasting protection. Our heavy duty pads protects all surfaces from scratches, dents and marring. For use on wooden chair legs, tables, furniture and safe on all floor types such as ceramic, terrazzo, marble, hardwood floors, linoleum. Surface prep is key, all surfaces should be clean and smooth. 1) Use isopropyl alcohol to remove any old adhesive remaining on surfaces. 2) Use sandpaper to smooth rough or dirty surfaces. 3) Remove sawdust or other debris and allow surface to dry completely before applying felt pads. 4) Peel and stick.