Product Details: The X-tra Seal 2-7/8" x 5" Rubber Radial Tire Patch is designed to provide superior protection against tire flexing forces. Each reinforcing ply is separately end-wrapped to deflect tire flexing forces in a unique way and the tie-gum construction eliminates the potential for delamination common in competitive products. This patch is designed to vulcanize chemically or in low-temperature systems and features a gray vulcanizing gum and blue poly backing for easy identification. With its superior protection and easy installation, this is the perfect choice for any tire repair job. FleetPride is your First Click in Heavy Duty®.