Radial Tire Punk Repair Material Tech Sentec Radial Patch is made of gray cushion rubber and reinforced with fibers. Patch Size: 3.0 x 4.9 inches (75 x 125 mm); Number of Plies: 2, 10 sheets/box; Use with TECH Uni-Seal Ultra (291-1UL), Tech Strong Vulcanized Cement (760, 764). Damage hole size within 0.4 inch (10 mm) (radial tire, truck tread)