Hog Heaven Ergonomic Anti-Fatigue Mat 7/8" 3' Length x 2' Width x Black by M+A Matting Outstanding anti-fatigue qualities Solid nitrile rubber top surface for excellent chemical resistance Textured nitrile rubber surface for superior slip resistance Closed-cell PVC/nitrile cushion affords outstanding comfort and is permanently molded to the nitrile rubber top Recommended for use work stations, assembly lines, shipping lines and other areas where workers stand for extended periods