Tire Repair Patches, Product Type Patches & Plugs, Shape Round, Compatible Tire Type Agricultural Tires, Material Rubber, Overall Diameter 3 in, Overall Length 3 in, Overall Width 3 in, Color Black, Number of Pieces 20, Features Designed to Vulcanize Chemically, in Low Temperature or High Heat Curing Systems, Reinforcing Ply is Protected and Encased in a Molded-Ply Package, Fine Feather Edge Eliminates Chaffing, Blue Vulcanizing Gum with White Backing, Package Quantity 20