1.High Quality Materials:Inner tube is made of high quality rubber, explosion proof, anti aging, wear resistance, high strength and durable. 2.Fitment: Tire inner tube fits for all 38cc?49cc 6.5 inch tire such as 47cc 49cc electric scooters, mini pocket bike, mini dirt bike. 3.Safety: Rubber inner tube is puncture resistant. Prevent damage, destruction and injury to the rider. Safe in any season or weather condition. 4.Application: Used to replace the damaged and worn inner tube of the original vehicle, for renovation, maintenance, modification, etc. 5.Easy Installation: Easy to install, no complicated operation is required, convenient for using, save your time and energy. Specification: Item Type: Tire Inner Tube_x000D_ Material: Rubber_x000D_ Applicable Tire Size: 110 / 50 / 6.5, 90 / 6.5 / 6.5_x000D_ Fitment: Fits for all 38cc-49cc 6.5 inch tire such as 47cc 49cc electric scooters, e-Bike, mini pocket bike, mini dirt bike