Cushion Select, formerly known as Cushion Max, anti-fatigue mats. 5/8" thick with superior anti-microbial, anti-fatigue mat constructed of 100% Nitrile/PVC closed-cell cushion to provide outstanding anti-fatigue properties for employee comfort and ergonomic benefits. The Cushion Select features a diamond patterned surface that is more than twice as durable as traditional PVC foam mats. The pattern also helps to reduce slip and fall accidents while beveled borders make for a safe transition from floor to mat. Tapered borders allow a safe transition to minimize trip and fall exposure. Comfortable - 5/8" nitrile-blended foam provides excellent anti-fatigue properties Durable - Diamond-pattern surface provides increased durability compared to ribbed surfaces which tend to peel and shave Safe- Beveled edges provide a safe transition from floor to mat; certified high-traction by the National Floor Safety Institute (NFSI) Grease and oil resistant; chemical resistant *Please note, mat sizes are approximate as rubber shrinks and expands in conjunction with temperature and time. Tolerable manufacturing size variance is 3-5%.