The Little Giant Rolled Rubber Mats have a non-porous surface that discourages bacteria buildup. Anti-slip round pattern reduces chances of injury. Great for hallway runners, corridors, walkways, doorways, and high-traffic areas. Made from 70 percent recycled rubber and 30 percent styrene butadiene rubber (SBR). Easy to clean, dries quickly. ISO 9001 certified, passes flammability standards. 49 feet long by 3.25 feet wide, 0.15 inch thick.