"Closed-cell PVC sponge matting provides excellent leg and back support and reduces discomfort from standing for long periods of time. Slip-resistant, directional ribbed-top surface contributes to a safe work area. Protects floors while shielding falling tools from damage. Mat is 3/8 in. thick, black in color and has all 4 sides beveled and sealed. For dry, light-to-medium-duty work areas. U.S.A. Factory shipped. Pattern Design Ribbed, Padded Yes, Thickness in. 3/8, Color Black, Dimensions L x W ft. 60 x 3, Material Type PVC sponge."