GorillaPads furniture grippers by Slipstick are the universal solution to stop your furniture or décor from unwanted sliding and protect your floors from damage. GorillaPads feature a highly durable rubber foam outer layer that provides an unparalleled grip between the bottom of furniture and the floor surface and have a dark brown 0.2” thick solid felt core to prevent furniture from puncturing through. Pads do not leave marks on floors/surfaces and are safe for use on all hard surfaces such as hardwood floors, counter tops, shelves and more. Includes 4 black non-slip pads that are 2-1/2” in diameter and 5/16” thick (Pads compress down to 1/8" thick with weight of furniture). This pack also includes 4 self-stick adhesive backings for optional attachment of pads to furniture (can be used with or without adhesive backing). Each pad is pre-scored for easy cutting to 2 size and shape options which include 2.5” Square, 2.5” Circle, 1.75” Square and 1.75” Circle. Perfect for use under any furniture piece or object such as couch sectionals, sofas, beds, tables, TVs, computer monitors, end tables, and anything you want to keep in place or protect from damaging the surface it rests on. Covered by Slipstick's 5-year free replacement warranty.