The unique ridged construction effectively removes and traps dirt and moisture.. Exclusive, rubber-reinforced face nubs prevent the pile from crushing and extend the mats life.. Other commercial-quality features include anti-static, quick-drying, and fade-resistant properties.. Ultra-slim, 1/4"H pile slips easily beneath most doors. Mat is easily vacuumed or hosed clean. When it comes to blending durability and style, our super-rugged Diamonds Mat is a gem amongst stones. Endures moisture, sun, and even snow, without a care. . . . . . Just as impressive placed indoors or out . Crafted to endure from premium polypropylene with a non-skid rubber backing. . Made in the USA.