30pcs Bicycle Glue-free Tire Patches Tool Quick Repairing Tyre Protection Patch Adhesive Quick Drying Bike Accessories

Material: foam + glue Color: Black Steps to use: 1. The edge of the hole is polished into a rough surface with a file tire sheet or sandpaper, and the diameter of the wool surface is not less than that of the tire repair sheet; 2. Clean up the polished surface; 3. Align the center position of the tire repair piece with the hole and press it tightly; 4. After standing still for 5 minutes, put it into the outer tire to inflate and complete the tire repair.