The Premium Rug Pad provides a firm foundation feel underfoot, while adding a nonskid layer between an area rug and your floor. Its low profile allows area rugs to lay flat to the floor, keeping them in place and making vacuuming easier.100% Recycled Synthetic Fibers, made in the USAGreen Label Plus certifiedNon-slip with .125" thickness that will add extra comfort underfootDesigned for use on hardwood, tile, laminates, linoleum, concrete, and carpet indoor floor surfacesEasily trim with household scissors for the perfect fit Size: 4'Round. Color: Grey.