Exceptional Anti-Fatigue matting. HogHeaven mats are constructed of solid Nitrile rubber surface with a closed-cell Nitrile/PVC cushion backing. This surface offers better chemical resistance along with textured surface for superior slip resistance. Ideal for any anti-fatigue area. Available in two thicknesses 5/8" and 7/8". Borders are available in black or OSHA approved striped borders. Hog Heaven mats are welding safe and anti-static. Flexible rubber borders will not crack or tear. Contains 15% Recycled Rubber Content. Certified slip-resistant by the National Floor Safety Institute. Recommended for use work stations, assembly lines, shipping lines and other areas where workers stand for extended periods.