Description: The strong physical barrier helps block nails, glass, wire, thorns adn other debris. Easy installation, fits between tire wall and inner tube. The low-cost solution instead of expensive belted tires. Multiple sizes ensure proper fit. Features: 1. Puncture and explosion proof - Never to puncture or go flat which may be caused by glass slivers, thorns, nails, bits of wire or other small, sharpness objects. 2. Good partner for long-distance cycling - Whether riding cross country, enduro, downhill or any other variant of the sport, youll never worry about the puncture. 3. Easy installation - It is quick and easy to install. Just place them between the inner and outer tire. The Anti-tie structure keeps the pads flattened attached to the outer tire. 4. High-quality material - Made of high-quality material, durable and toughness, lightweight and strong anti-pressure ability. Contain fibrous mesh and micro-polyester fiber segments, which makes the pad stronger and more flexible. 5. Suitable for : Tube protection, explosion-proof, puncture-proof Specification: Name: Bicycle puncture-resistant tire pad Material: Polyurethane polymer composite material Installation: 1. Expand the tire liner around the tire, leave 2 cm spaces and cut off the excess. 2. Remove the tire, let the tube down, and put the liner between tire and tube. 3. Blow up the tire properly, make the liner can be clamped by tube and tire, and adjust the place of the liner. Size Thickness Width Weight 26 inch 0.5cm/0.01inch 40cm/1.57inch 50g/pc 27.5 inch 0.5cm/0.01inch 40cm/1.57inch 52g/pc 29 inch 0.5cm/0.01inch 40cm/1.57inch 53g/pc 700c 0.5cm/0.01inch 25cm/0.98inch 33g/pc includes:Products that order