This Water Hog Max Diamond Mat includes 100% Post Consumer recycled PET polyester fabric reclaimed from drink bottles. The backing is made from 15 to 20% post consumer recycled rubber reclaimed from tires. Smooth back is recommended for hard surfaces. Exclusive “water dam” border traps dirt and water in the mats and off your floor, minimizing slip hazards, floor damage and maintenance costs. Holds up to 1-1/2 gallons per square yard. Beveled black rubber border for safety. Certified slip resistant by the National floor Safety Institute. Black Smoke finish. 3/8″ Thick. Approximately 72″L x 72″W overall.