This desk floor mat supports your body and provides prolonged comfort with a thick layer of polyurethane, engineered to reduce strain on your feet, legs, knees, and spine. Added to this is an anti-microbial compound that will never wear off and keeps the mat sanitized for those who use standing desks without footwear. Each AFS-TEX® standing surface product from Floortex® is protected by a 10 year limited warranty.