Product inforamations:
Material: PVC
Color: Yellow
Type Options: 700C, 26", 27.5", 29"
Size (Width):
Size 1: 26" x 20mm: suitable for 26" MTB bike
Size 2: 27.5" x 20mm: suitable for 27.5" MTB bike
Size 3: 29" x 20mm: suitable for 29" MTB bike
Size 4: 700C x 18mm: suitable for road bike 700C

Feature:
1.Installs easily between the inner tube and tire to offer powerful puncture protection, extend the life of tire
2.Super light, puncture-proof, explosion-proof
3.Easy to install, no gooey mess; Contributes to a smooth, stable ride
4.It's a shield, prevent the tyre being punctured by the thorns, glass and road debris or other prick
5.Reuseable, just remember to transfer them when you get new tires

Package Includes:
2 Pieces Bicycle Tire Liner