Smart Step Maxum Anti-Fatigue Polyurethane Mat, 36" Length x 24" Width x 5/8" Thick, Black Constructed of a 1-piece 5/8-inch integral polyurethane skin which offers the best combination of comfort and durability available Trip-resistant edges that will never roll-up Built-in non-slip strips and carpet grippers; anti-microbial by design Lightweight and easy-to-clean; the surfaces are resistant to fluids The best 10 year comprehensive warranty in the industry