GetFit StandUp anti-fatigue desk mats provide workers with a comfortable, healthy alternative to sitting throughout their workday, eliminating the negative effects on the body associated with sitting for long periods of time. 5/8'' nitrile-blended cushion provides excellent anti-fatigue properties and alleviates pain from extended standing. Beveled edges provide a seamless transition from floor to mat; edges will not crack or curl. Recycled PET fabric made from recycled plastic bottles is eco-friendly and resistant to staining.