Bicycle Tire Repair Kit: Package includes 36pcs bicycle tire repair patch in 3 shapes, square, rectangle, round shape, and 4pcs metal raspsSize Reference: Round patches x 12pcs: 0.98 inch(2.5cm) in diameter; square patches: 0.98 x 0.78in(2.5 x 2.4cm); rectangle patches: 1.81 x 1.18in(4.6 x 3cm); metal rasps x 4pcs: 0.98 x 1.18in(2.5 x 3cm)Repair Tire Quickly: The self adhesive tire patch can be quickly pasted to the puncture part of the bike tire, don't need any glue, lightweight and easy to carry, convenient for you to handle with sudden accidentsPE Plastic Material: The bicycle tire patch is made up of PE material, which is durable and can stick to the tire firmly after pasting them on the perforation partEasy to Use: 1. Inflate the tube, find out where to leak; 2. Use metal rasp to grind the leak; 3. Tear off tire tube patch, affixed to the leaky place; 4. Wait 30 seconds to confirm that patch is firmly attached to the tube, finally completed