Keep dirt to a minimum by placing the NoTrax Wayfarer H.D. Outdoor Rug - Brown at the entry of your building. At 0.5 inches thick, this rug is made of vinyl using vinyl-looped construction and features an open back for dirt pass-through. It is a recommended and approved product as part of the GreenTRAX program for Green Cleaning environments. Available in a variety of sizes, this rug is intended for commercial use.