1Strong MaterialMade of strong and durable, eco-friendly material, the tire patches can be used without adding additional glue. Metal structure rasp and tire levers are sturdy and practical, with the use of tire patches can make your tire repairing more convenient.2Practical RaspBy using the rasp, you can make the tire puncture larger and the surface rougher, which allows the patch to adhere more firmly to the tube. And it won't fall off due to the overly smooth tread.3PortableSimple and portable, the repair kit accessory box is very light and can be placed in your clothes pocket.4Wide ApplicationsSuitable for bicycles, pneumatic tires, ATVs, motorcycles, trolleys, wheelchair inner tubes, etc.5Professional Maintenance30Pcs inner tube repair kit contains 12 x Square Tire Patches,12 x Round Tire Patches,2 x Tire Levers,4 x Rasps.12 x Square Tire Patch12 x Round Tire Patch2 x Tire Lever4 x Metal Rasps