The 1/2" overall thickness increases comfort and productivity with its superior anti-fatigue properties. Drainage slots allow liquids to flow through the mat, keeping moisture away from feet. Raised cleats on top surface provide the mat with premium traction. Cross members on back reduce mat movement in wet or dry environments. Made from 100% rubber for long lasting maximum durability. Easy to cleanâ€“simply wipe with a damp cloth, sweep, vacuum or hose off.