Perfect for most applications inside or out, Water Hog Classic's unique design makes it revolutionary. The rubber reinforced face nubs and waffle design provide crush proof scraping action. The raised rubber ''water dam'' border traps dirt and water - keeping them off carpet and floors. Contains 20 percent recycled content. Certified slip-resistant by the national floor safety institute. Premium 24 oz. /sq. anti-static Polypropylene fiber system dries quickly and won't fade or rot. When wet, the rubber reinforce surface allows water to be wicked to the bottom of the mat away from foot traffic while providing a slip resistant surface. Exclusive ''water dam'' border keeps dirt and water in the amt and off the floor, minimizing slip hazards and floor damage. Green friendly rubber backing has 20 percent recycled rubber content and is available in smooth or cleared types. Exclusive rubber reinforced face nubs prevent pile from crushing in high traffic areas, thereby maintaining high performance and extending product life. Should not be used in areas exposed to animal fats (kitchens) or petroleum products. Certified slip-resistant by the National Floor Safety Institute. Recommended uses computer rooms, around electronic equipment, malls, banks, hotels, offices, restaurants, healthcare, supermarkets and more. Anti-static. Fiber type: solution-dyed polypropylene, outstanding light fastness. Nub height: 1/4''. Design: Square ''waffle''. Type: 100 percent SBR Rubber (20 percent Recycled Content). Thickness: 0. 190'' Nubs, 0. 050'' Between nubs. 0. 110'' Border. Testing: passes flammability standard DOC-FF-1-70.