【High Quality Butyl Rubber】High quality Butyl rubber material, good sealing, strong wear resistance, aging resistance, good heat resistance.It is very suitable for replacing your bike's worn inner tube. 【Inner tube size】We have 26"/27.5"/29"x1.75-2.125 of these size inner tubes, which are suitable for Wheel diameter of 26"/27.5"/29", wide bicycle inner tube between 1.75-2.125", with 32mm Schrader valve(AV Valve), suitable for mountain bikes. Note: Please check your tire size before purchasing. 【Complete Kit】There are inner tubes,2 plastic tire levers and a free tube repair emergency kit in pack.The tire lever can be reused,Tube repair emergency kit contains 4 glue-free tire patches and a metal file. 【Easy to Install】With these 2 plastic tire spudgers, they can help you pry out the old inner tube and install the new inner tube without scratching the rim or inner tube, do it yourself and save money. 【Quality Service】We are dedicated to providing you with excellent quality service, if you are not satisfied with our products, you can contact us, we will help you solve the problem in the first time 【High Quality Butyl Rubber】High quality Butyl rubber material, good sealing, strong wear resistance, aging resistance, good heat resistance.It is very suitable for replacing your bike's worn inner tube. 【Inner tube size】We have 26"/27.5"/29"x1.75-2.125 of these size inner tubes, which are suitable for Wheel diameter of 26"/27.5"/29", wide bicycle inner tube between 1.75-2.125", with 32mm Schrader valve(AV Valve), suitable for mountain bikes. Note: Please check your tire size before purchasing. 【Complete Kit】There are inner tubes,2 plastic tire levers and Tube Repair Emergency Kit in pack.The tire lever can be reused,Tube repair emergency kit contains 4 glue-free tire patches and a metal file. 【Easy to Install】With these 2 plastic tire spudgers, they can help you pry out the old inner tube and install the new inner tube without scratching the rim or inner tube, do it yourself and save money. 【Quality Service】We are dedicated to providing you with excellent quality service, if you are not satisfied with our products, you can contact us, we will help you solve the problem in the first time