M+A Matting 2243 Waterhog Eco Grand Elite PET Polyester Fiber Single End Entrance Indoor/Outdoor Floor Mat, SBR Rubber Backing, 5-1/2' Length x 3' Width, 3/8" Thick, Khaki Reinforced face nubs Raised nub surface: removes and traps dirt and moisture and holds it on mat below shoe level so it is not tracked in Trigrip backing: gripping action minimizes movement on most carpets Durable pet polyester face suitable for indoor or outdoor use Easy to clean: just vacuum or hose off and hang to dry