Feature: Nylon material, better than PVC, wear-resistant, light weight, anti-wrinkle. Specification: Main body material: nylon  Product color: Red Packaging size: about 90x45x45mm Product net weight: about 35g Model: Mountain bike (24*20mm or 26*20mm; 27.5*20mm 29*20mm) Road bike/dead speed vehicles (700C*18mm) Folding bikes/small wheels, etc. (20 (406mm) *18mm; 20 (451mm) *18mm), 451mm, can be used for 22 inches Function:  Used between the steel rim and the inner tube to prevent the banner from puncturing the inner tube.  It can make the tire pressure higher, the tire resistance is small, and the tire is explosion-proof. Note: Due to the different monitor and light effect, the actual color of the item might be slightly different from the color showed on the pictures. Thank you! Please allow 1-2cm measuring deviation due to manual measurement. 

2 x Bicycle Tire Liners