A new advanced polymerized rubber technology bonded to microfiber. Removes industrial pollutants, bonded contaminants, paint overspray and brake dust from the surface of automotive paint, glass, moldings, fiberglass and plastic. Quickly removed contaminants from the surface. Just spray surface prep solution on the clay towel and the surface, glade the clay towel back and forth on the surface a few times then stop. Take a separate microfiber towel to wipe the residue from the surface - you are done. Easy to Maintain - If dropped on the ground, simply rinse clean and continue using. Rinse clay towel between uses. Perfect size to get into tight areas. 7" x 7" for medium to heavy surface contaminants. Caution: Do not use on Matte Paint