About this item Package 2 pieces bicycle tire insert liner puncture protection tape Material The bicycle tire puncture-proof is made of PVC Effect The puncture protection insert for bicycle tires is thickened with a thickness of 0.6 cm, making it durable and strong enough. The bicycle tire protector provides a physical barrier against nails, thorns and other dirt. Easy to use The bicycle tire rim tape is easy to use Wide use This bicycle tire tube protector is suitable for 26″ 27.5″ 29″ 700cc tires