Shepherd Hardware 9916 1-1/2-Inch Heavy Duty Felt Gard Self-Adhesive Leveling Furniture Pads, 4-Pack Self-leveling and self-adhesive felt pads are easy to install and offer scratch-resistant protection of floors and other surfaces, especially effective for angled or unevenly worn chair legs 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 Self-leveling felt pads add a thick foam layer for superior surface adherence and overall better grip on angled or unevenly worn legs Easy to install - simply clean, peel, and stick - surfaces should be free of dirt & debris and sanded if wooden to ensure a strong bond