Mr. Tuffy Liner XL Series 26 and 29x3.1-4.0 TanMr. Tuffy Liner XL Series 26 and 29x 3.1-4.0 Tan protects your tubes from sharp items such as glass and thorns. Fits 26-29" rim width and tire width from 2.35- 3.0 inch. Tire liner is placed between tube and tire for excellent protection.800877282598