The Salon Ortho Mat is the solution to slips and falls. Reduction of stains, pains and worker's compensation claims related to prolonged standing. The softest most comfortable mat on the planet. Ortho Mat is impervious to acids, chemicals and petroleum products. Closed Cell feature eliminates absorption of liquids and fluids. Permanent hair dyes and other chemicals can be wiped off with acetone. Light weight and easy to clean. NFSI approved. Non-Allergenic, latex and silicone free. Beveled edge. 3/4 inch thick Color is gray.