Ergonomically Engineered to stimulate blood circulation and reduce fatigue on legs, back and feet by providing better pressure distribution and significantly reducing contact stress. Patented Rubberized-Gel Foam is 17mm thick and provides superior performance over thicker polyurethane foam competitors, offering unmatched tensile strength to resist tearing, an easy-to-clean waterproof and oil-resistant surface, enhanced shock absorption, and better durability for high traffic areas to ensure mat will not break down or compress over time. NFSI Certified Anti-Slip Surface reduces slipping concerns and ensures mat stays in place. ADA-Compliant Beveled Edge ensures mat will not roll-up, is trip-resistant, and provides 18° angle for office chair to roll up on with ease. Non-Toxic & Flame Resistant materials are vinyl and BPA-free, supporting stricter environmental standards than most polyurethane foam competitors, and meet Cal 117 fire safety standards. Ships Flat to prevent unwanted creases and curled edges.