Surpahs Anti Fatigue Mat, 20 x 40, Black, Standing Floor Comfort Mat - for Standing Desks, Kitchens - Commercial Grade, Professional Design, Works on All Hard Surfaces - Waterproof Top, Non-Skid Back EXTRA-large, professionally designed, ultra-comfort, anti-fatigue standing floor mat, 40 x 20, designed to ease foot, leg, and lower back fatigue while you stand COMMERCIAL grade 4/5 (2cm) extra-thick, high performance memory foam core balances shock absorption and resilience, effectively relieving pressure on feet, knees and joints; Provides the right cushion, support and comfort during long periods of standing For use in kitchens, offices with standing desks, home offices, garages, warehouses, retailer check stands, medical offices, laboratories, hair salons, pet groomers, dry cleaners, assembly lines Non-curling beveled edge promotes safety, designed to prevent tripping; Our textured, non-slip, Leatherwear waterproof top, offers maximum protection from spills Non-skid, rubber bottom for secure placement on marble, wood, laminate, or any type of flooring; Easy to clean with soap and water as needed. 100% Satisfaction Guarantee