High Quality: The tire patch is made of high quality natural rubber with good sealing performance. It has good abrasion resistance, high elasticity, tear resistance and elongation for longer service life. emergency bike repairNot only the patch of bicycle can repair a flat tire, but you will find that it is very easy and quick to use, and we are not afraid to ride a bicycle. A bicycle tire repair kit can easily repair tire damage caused by sharp stones or small blades. Perfect DesignThere are round and square patches for different sizes of punctures, you can choose the shape according to your bike tires. Wide range of use: whether it is a bicycle, a motorcycle, a lawn mower, from a tractor or inflatable items such as inflatable swimming rings or air mattresses, you can use repair kits to fix leaking tubes. How to use: find the position correct tire damage, cut the punctured place with a metal file, then place it with a self-adhesive patch and wait for 1-3 minutes. or use glue (not glue included in the package) to apply the patch and wait for a few minutes. This rubber tire patch/glue set is the best match for tire repair. Each patch is enclosed in an airtight protective tin foil. Note: Bicycle tire repair patches are produced without glue. The use of bicycle tire patch: 1. Find the leaking point of the inner tube and use a file to polish the rubber around the leaking point to get some stubble. 2. Apply the glue evenly to the position where the thatch is polished. 3. After waiting 2-3 minutes for the pasted surface to dry, tear off the aluminum foil on the back of the tire piece and stick it to the pasted place. Specification: Size: 25*25mm(48 pieces), 25mm*35mm(48 pieces) Quantity delivered: 192pc (4 sheets)