DUUTI 6pcs Bike Tire Tube No-glue Rubber Patch with File - Black - 3720965512

Features:
- Made of rubber, lightweight and ultra thin, easy to carry and prepare for emergency need while riding
- Self-adhesive patches, can stick on the tire tube without any glue, much easier and quicker to repair
- With a file, easy and convenient to repair the bike inner tire without any other tools
- The product includes 6 pieces for repairing bicycle tire, the diameter of the patch is 25mm
- A great tool for repairing the tire, inner tube, air bed, dinghy, paddling pool, etc.
- Suitable for various types of the bike such as road bike, mountain bike, fixed gear bike, etc.

How to use:
1. Find out the position of the hole on the tire tube.
2. Use the sandpaper (not included) to buff around the hole, the buffing area should be larger than the patch.
3. Apply the patch over the hole and press firmly.
4. Wait 30 seconds before inserting tube into tire and pumping up.