VBESTLIFE 2Pcs Bicycle Tire Protector - 0.5mm Thick Puncture-Proof Bike Tire Liner for 700C/26/27.5"/29" Wheels - Anti-Flat Inner Tube Guard for Road & Mountain Bikes - Perfect for Commuting & Off-Road Adventures

Feature: High Tensile Strength:Installs easily between the tube and tire to offer powerful puncture protection.High tensile strength and easy installation.Provides physical barrier to block nails, thorns, and other debris.Protect Your Bike Tires:Designed to protect your bike tires from punctures.The liners stay against the tire from the pressure of the tube. And protect your tires from nail, bolt driver, glass and more.Easy To Use:Expand the tire liner around the tire, leave 2 cm spaces and cut off the excess. Remove the tire, let the tube down, and put the liner between tire and tube.Thin And Durable:Made of high quality polyurethane material, which is toughness,lightweight, thin and durable.4 Size To Choose:4 Size to choose: MTB-26", MTB-27.5", Road Bike 700C, MTB-29", you can choose what you want freely. Specifications: Material: Polyurethane Polymer Color: Transparent (as show in the pictures) Package Weight: approx. 72-116g Type Options: 700C, 26", 27.5", 29" Size(T x W): 0.5 x 25mm / 0.019" x 0.98",suitable for road bike 700c; 0.5 x 40mm / 0.019" x 1.57", suitable for 26" bike, requirements of tire width 1.5"-2.1"; 0.5 x 40mm / 0.019" x 1.57", suitable for 27.5" bike, requirements of tire width 1.5"-2.1"; 0.5 x 40mm / 0.019" x 1.57", suitable for 29" bike, requirements of tire width 1.5"-2.1" Length: approx. 2.13m / 6.98ft(700C) 2.07m / 6.79ft(Suit for 26"Bike) 2.24m / 7.34ft(Suit for 27.5" Bike) 2.26m / 7.41ft(Suit for 29"Bike) Quantity: 2pcs Package Included: 2pcs tire liners Note: Not 100% puncture-proof.