CRO CU3660S BLA -- 36x60 Black Cushion-StepR Anti-Fatigue Mats Smooth top surface fused to thick sponge foam backing for an attractive, easyto- clean mat. Oil-, grease- and acid-resistant surface. Ideal for medium- to heavy-duty use. Beveled edges and rounded corners keep mat flat and reduce the risk of tripping. Spiffy vinyl top. Manufacturerfs limited one-year warranty. Overall thickness 1/2 -in. Product contains 10% total recovered material. Backing: 10% recycled content. Black Sold by the Each.