R-S16 America Style 5" x 13" (125x330mm) Heavy Duty Radial ply Tire Repair Adhesive Tyre Patch/ radial vulcanized rubber patch tire puncture seal 2PCS 4 ply 5" x 13" (125x330mm) 2pcs/bag Used to repair crown, sidewall and shoulder injuries in Passenger, Light truck, Truck, Tractor and Earthmover tyres. Radial Repair Patches constructed with special rubber compound and polyester fibers. Unique single direction ply and locking wedge construction offers high strength and flexibility. Performs permanent repair over the injury of radial tyre. Designed to vulcanize chemically or in low temperature systems Gray vulcanizing gum,blue poly backing Different sizes,up to 17 specifications