The Premium Felt Rug Pad is available in a wide variety of sizes, including rectangular door mat and area rug size, runner size, square and in a selection of round and oval sizes. Made from 100% felt (8 oz) with a 0.25" pile height, the American-made Premium Felt Rug Pad is designed for hard surface floors and carpet and offers versatile protection with premium cushioning. Rotating every three months is recommended.