Stand up anti-fatigue mats are designed for use at retail checkout counters and stand up desks to provide employees with a comfortable surface to stand on for hours at a time. Anti-static, slip resistant polypropylene top surface will not fade. These mats have a 5/8" thick closed cell nitrile rubber blended cushion. Beveled borders will keep the edges from cracking or curling. Made in the USA of 20% recycled content. This anti-fatigue mat measures 22"x50" (LxW) which provides ample room to move around. Three colors available. Recommended to be used indoors only.