Bicycle Tire Liner Anti Puncture Tap Anti Flat for MTB 26inch 27.5inich 29inch Road 700C Road 700C Specification: Length 83.46"/2120mm * Width 0.98"/25mm * Thickness 0.019"/0.48mm ; Net weight: 44g/pair Super thin, and weight less than liquid fills and thorn-resistant tubes,Non-brittle and long lasting Ride Flat free, Easy installation, High tensile strength One package include two piece for one bike front and rear tire.