Cushion Max Anti-Fatigue Mat 5/8" Black Nitrile/PVC Foam 6' Length x 4' Width, Black by M+A Matting Constructed of 100 percent nitrile/PVC closed cell foam to provide superior anti-fatigue properties for employee comfort and ergonomic benefits Diamond pattern surface is more than twice as durable as traditional PVC foam mats and helps to reduce slip and fall accidents Tapered borders allow for a safe transition to minimize trip and fall exposure 5/8-inches thickness Ozone resistant