Immediate tire repair: -adhesive bicycle tires can be quickly attached to the punctured part of the bicycle tire; for -adhesive function, you 't need to paste any glue; repairing bicycle tires is very convenient. The is lightweight enough to fit in a bag to prevent sudden bike accidents. Actual Size: Round Bike Tube Patches are about 1inch in diameter; Rectangular Bike Tube Patches are about 1.4 x 2.1inch; Two different shapes and sizes of Bike Tube Patches are enough for you to from; both shapes Designed for punctures of all sizes found in bicycle tires. Packing List: You will get 18 bicycle tire repair kits. This kit is enough for your daily application. Good material: The -adhesive bicycle tire mask is made of PE material, which is durable enough to be pasted; after the is pasted to the punched part, it will stick firmly to the tire. EASY TO : The bicycle tire repair kit is convenient for you to do it yourself; you just need to sand the punched part clean with a metal file and clean the surface, then stick the firmly on the punched part. Name: Bicycle tire repair kit Rectangular size: 5x3.2mm Round diameter: 2.5mm Colour: black yellow Material: PE + metal Package Contents: 8 * Rectangular 8 * Round 2 * Metal file Only the above package content, other products are not included. Note: Light and different displays may the color of the item in the a little different from the real thing. The measurement allowed error is +/- 1-3cm.