Tire Repair Patches, Product Type Patches & Plugs, Shape Round, Compatible Tire Type Automobile Tires, Light-Duty Truck Tires, Material Metal, Rubber, Overall Diameter 1/8 in, Overall Length 3 in, Overall Width 1 in, Color Black, Number of Pieces 20, Features Designed for Chemical or Heat Vulcanization, Gray Vulcanizing Gum with Blue Poly Backing, Package Quantity 20