Bungalow Flooring Waterhog Fall Day Entry Door Mat 100% polypropylene fiber system has reinforced UV-stabilized face yarn that will not fade, rot, mildew or shed Crush-resistant nubs handle heavy foot traffic both indoors and outside your home A unique "water dam" border lip traps water and keeps it off carpets and floors Made in the U.S.A. The 100% polypropylene fiber system has reinforced UV-stabilized face yarn that will not fade, rot, mildew or shed