10pcs Radial Tire Patch 4.73" x 2.75", Heavy Duty Tire Repair Patches for Car Truck Bus Tractor Agricultural Vehicles

After sanding or cleaning the inner wall of the tire, apply vulcanizing fluid to the buffed area,allow to dry completely, peel off the red polyester backing of patch for tires, cover and stick it to the dried of cement area, stitch from central to edge and ensure it press completely, then remove off the film.