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 3/8in. thick, black in color and has all 4 sides beveled and sealed. For dry, light-to-medium-duty work areas.