Features： 1、The anti‑cable straps are explosion‑proof, especially for long‑distance riding, so you don't have to worry about tire blowouts when off‑road. 2、Made of high‑quality polyurethane composite material, durable and long enough for you to use for a long time. 3、High tensile strength, installed between the inner tube and tire, providing strong puncture protection. 4、This anti-tie belt is equivalent to putting armor on the inner tube of the bicycle to protect the bicycle tire from puncture. 5、Suitable for all kinds of mountain bikes, road bikes, bicycles, you can choose the appropriate size according to the model of the bicycle. Specification： Item Type: Tire Liner Material: Polyurethane Composite Material Color: White Specification: Road Vehicles 700C: Length: Approx. 2120mm / 83.5in, Width: Approx. 25mm / 1.0in, Thickness: Approx. 0.5mm / 0.02in Mountain bike 26in: Length: Approx. 2100mm / 82.7in, Width: Approx. 40mm/ 1.6in, Thickness: Approx. 0.5mm / 0.02in Mountain bike 27.5in: Length: Approx. 2230mm / 87.8in, Width: Approx. 40mm/ 1.6in, Thickness: Approx. 0.5mm / 0.02in Mountain bike 29in: Length:Approx. 2300mm / 90.6in, Width: Approx. 40mm/ 1.6in, Thickness: Approx. 0.5mm / 0.02in Application Scope: Mountain Bikes, Road Bikes, Bicycles Package List： 2 x Tire Liner