DUPONT SONTARA PRIMARY TACK CLOTH - The DuPont Sontara Primary Tack Cloth combines a low-linting fabric with an optimized level of tackifier to effectively remove dirt and sanding dust from surfaces... with less potential for leaving tack residue. A great alternative to traditional cotton gauze tack cloth. Wax and silicone free. Cloth is 12" x 18". Product is sold by the box of 12 cloths. 12 boxes per case.