Anti-fatigue mat protects feet, legs, hips, and back from discomfort and fatigue. 5/8 In. thick dual layer patented gel and energy-return foam conforms to feet for a supportive cushion and instant pressure relief. Durable construction and reinforced beveled edges will not curl or wear down to protect you from tripping. Stain resistant top surface constructed with non-toxic polyurethane and a slip resistant bottom surface.