Thorn Buster Inner Tube Protector Bicycle Tire Liner - stop flats GOATHEADS, THORNS, GLASS for 29er Mountain Bikes TAN&nbsp;29" x 2.0" - 2.125" (29'r)&nbsp; bike tires w/hard durometer center strip (1 liner) BEST SOLUTION FOR PREVENTING PUNCTURE FLATS - Tire Liners are the best solution BEST VALUE - Compare the price! Top quality at low price because there is no packaging. No plastic package to add to the landfill. BEST TIRE LINER INNER TUBE PROTECTOR TO PREVENT FLATS DUE TO THORNS, GLASS, NAILS, SHELLS, and other ROAD DEBRIS - Tougher than Tuffy. Stop flats better than Stop Flats. Lab tests prove there is no other bicycle tire liner better at protecting bicycle inner tubes against puncture flats. High durometer center strip nearest to the tire maximizes resistance to thorns and other road debris. Softer, lower durometer back and edges touch the inner tube to prevent chaffing. Sizes to fit 9 sizes of tires and tubes. See other listings for other Sizes Buy only what you need - WHY BUY TWO IF YOU ONLY NEED ONE? We offer a single liner. Buy two only if you need two. NO PACKAGE SO YOU SAVE!!!!