Designed with compliance in mind, the beveled edge ensures the mat will not roll-up, is trip resistant, and provides the 18? angle for an office chair to roll up on and off with ease. Both top and bottom are easy-to-clean waterproof and oil-resistant surface and offer superior anti-slip performance reducing slipping concerns and ensuring mat stays in place. FEATURES Ergonomically Engineered Shock Absorption: stimulates blood circulation, provides strong sole support, and reduces fatigue and pain on legs and feet caused by prolonged standing Rubberized-Gel Foam: provides unmatched tensile strength to resist tearing and enhanced durability for high traffic areas to ensure the mat will not break down or compress over time Anti-Slip Surface (Front and Back): reduces slipping risks and ensures mat stays in place even in heavily trafficked areas Trip-Resistant Beveled Edge: ensures mat will not curl-up, reducing risk of trip hazard to the user and provides 18? angle for an office chair to roll on and off with ease Water-Resistant Material: can be vacuumed or wiped with a damp cloth SPECIFICATION Product Category: Anti-Fatigue Standing Mat Rank: Standard Dimensions: 510x762x20mm (20.1'x30'x0.79') Net Weight: 1.35kg (3lbs) Material: Polyvinyl Chloride(PVC),Polyurethane(PU) Foam,Styrene Butadiene Rubber(SBR) Surface Pattern: Smooth Surface Color: Black