Tri-Grip Durable Rubber-Backed Nylon Carpeted Entry/Interior Mat 5' Length x 3' Width, Cabot Grey by M+A Matting Heavy 100 percent anti-static nylon face offers outstanding absorption and durability Tight, heat-set Ultra-Twist yarn construction resists packing and crushing Dirt filters into the mat rather than remaining on top Green friendly SBR rubber backing has 20 percent recycled rubber content Certified slip-resistant by the National Floor Safety Institute