This clean room mat is suitable for use in medical facilities, laboratories, and dust sensitive environments. Made with a polyethylene film, it features an adhesive coating that traps fine soils and contaminants. The white 47 x 18-inch mats are 1/8-inch thick and have a solid top surface. The release adhesive backing holds the mat securely in place. There are 30 peel and toss sheets per mat/pack.