Guardian 94030535 Platinum Series Indoor Wiper Mat, Nylon/Polypropylene, 36 x 60, Black Plush, solution-dyed nylon carpet for better absorption and colorfastness. Gripper all-rubber backing means long lasting performance and maximum durability. Certified High Traction by the National Floor Safety Institute (NFSI). Indoor mat is ideal for indoor, high traffic areas Mat is made with high-quality nylon carpet, reinforced border edges and extremely durable nitrile rubber backing Maintenance-free mat traps solid and liquid waste and debris