RATED AS BEST NON-SLIP FURNITURE GRIPPER! The original DURA-GRIP® is Patent Pending for Rug Pads for Less(TM) and Rug Pads for Less(TM) is the only authorized seller of DURA-GRIP®. THE DETAILS: NO GLUE OR NAILS! These non-slip furniture pads are like no other in that they are pure solid rubber on both sides and extremely dense! There is no adhesive to adhere to the furniture or the floor as the rubber holds all furniture to the pad and the pad grips safely to the floor. Made in the USA, these rubber furniture pads contain a unique texture within the rubber to allow more rubber to grip to more floor. Safe to use on all hardwood and hard floor surfaces and meant to be used under heavy conditions. Also use under back legs of furniture when the front legs are sitting on a carpet to level the back of the furniture with a full 1/2" thick pad. DURA-GRIP® pads are also meant to protect the floor with an 80 ounce density second to none. Even the heaviest and sharpest of furniture legs will not cause damage to any type of floor surface. Use to stop bed, sectional, sofa, couch, table, chair or any other furniture from moving and sliding.