Features1 Fit for 8.5 Inch Tires: Designed specifically for 8.5 inch tires, this inner tube offers a fit, allowing for optimal performance and durability. 2Rubber Material: Electric scooter inner tube is made with rubber material, ensuring stability and flexibility for long lasting performance. 3Explosion Proof: Avoid explosive punctures with our penetration resistant and self sealing inner tubes. And with their extreme weather resistance, you'll be assured of your safety in any weather and season. 4Durable Metal Valve Cap: The sturdy and durable metal valve cap provides effective protection for your scooter tire valve and helps maintain stable pressure. 5Easy Installation: This inner tube is easy to install and use, making it an ideal replacement for your electric scooter.SpecificationItem Type: Electric Scooter Inner TubeMaterial: RubberWeight: Approx. 79g / 2.8ozPackage List1 x Electric Scooter Inner Tube