FOSS Bicycle Mountain Road Bike Leak Proof Inner Tube Tire Patch(Blue)

1. Easy to repair tires, easy to operate, easy to use
2. Self-adhesive, no need to use sandpaper to grind the inner tube
3. Explosion-proof and leak-proof, no need for sandpaper, no glue
4. Specifications: 6 pieces per sheet
5. Material: Rubber

Instructions for use:
1. Wipe the hole in the inner tube first
2. Align the middle of the hole
3. Affix the FOSS tire patch, and press around to flatten it
4. Complete the tire repair