Smart Step Tough Guy Anti-Fatigue Polyurethane Mat, 60" Length x 48" Width x 5/8" Thick, Black One-piece 5/8-inch Polyurethane construction Trip-resistant edges that will never roll up Offers the best combination of durability and comfort in an economical and cost conscious line Lightweight and easy-to-clean; the surfaces are resistant to fluids The best 10 year comprehensive warranty in the industry