M+A Matting 442 Hog Heaven Fashion Nitrile rubber Anti-Fatigue Floor Mat, Nitrile/PVC Rubber Cushion Backing, 12' Length x 3' Width, 7/8" Thick, Granite Outstanding anti-fatigue qualities Anti-static, slip resistant 100 percent solution-dyed polypropylene top surface will not fade or rot Closed-cell nitrile/PVC cushion backing provides long lasting comfort Beveled border remains flexible for the life of the mat and will not crack or curl Certified slip-resistant by the National Floor Safety Institute