3M MAINTENACE SORBENT GRAY RUG This sorbent rug is used in areas where foot and vehicle traffic is an concern. Designed to sorb liquids while enduring the punishment of being tread upon, it is both durable and versatile. The coated rug material can be used on a clean and smooth floor to insure that the material does not slip when walked upon. It may also be used as a barrier to protect the floor or other surface below it from liquids leaking through. Sold by the roll.