M+A Matting 449 Hog Heaven SBR/Nitrile Rubber Marble Top Anti-Fatigue Floor Mat, Nitrile/PVC Rubber Cushion Backing, 12' Length x 3' Width, 7/8" Thick, Granite Dusk Outstanding anti-fatigue qualities Smooth diamond pattern rubber top allows workers to pivot freely Closed-cell nitrile/PVC cushion backing provides long lasting comfort Attractive and durable anti-fatigue mat for dry environments The top offers a marble appearance