CROWN Eco Plus Carpet Mats feature a crush-resistant reinforced pattern for aggressive scraping action and durability. 100% post-consumer recycled PET fiber surface and 15% post-consumer recycled rubber tire base. For use inside entrances with heavy traffic. Raised rubber edges trap water and dirt, eliminating run-off. Holds up to 1 gallon of water. Resists salt, ice melt, mold and mildew. Non-skid backing.