Every quality hand knotted rug needs a rug pad to extend its life. This quality premium felted rug pad is twice the thickness of our standard pad, and it helps avoid accidents by keeping the rug in place. The rug pad will also reduce wrinkles and prevent scratches or staining on your floors. Designed to use on hardwood floors, tiled floors, concrete floors and carpeted floors. 100% Felt made from recycled virgin waste materials and latex backing. Made in USA. Thickness 0.218 in. Weight 1.25 lbs per square foot. This rug pad comes with a 20 year warranty.