Feature: 1. Placed between the inner and outer tires, it will not increase the load on the ride, free to ride. 2. Strong anti‑puncture ability, can effectively protect the safety of tires and protect the safety of riders during riding. 3. Strong toughness, safe travel, can effectively prevent gravel and glass from piercing the inner tube during riding to cause danger. 4. Strong adhesion, not easy to move on average, not easy to loose, installation is more simple, convenient and practical. 5. Made of high quality PVC material, which makes it durable, sturdy and has a long service life. Specification: Item Type: Bike Tire LinerMaterial: PVCColor: TransparentSize: SWidth: Approx. 25mm/1.0inThickness: Approx.0.5mm/0.02in Weight: Approx. 64.0g/2.3ozQuantity: 1 Pair Suitable for Road Bike 700C Tires Purpose: Install between the outer tire and the inner tube to protect the inner tube and prevent the inner tube from being pierced by gravel, glass and other objects during riding. Package List: 1 Pair of Bike Tire Liner