Bolt-in design, easy to carry and use. Fits for car/motorcycle tubeless rims or normal rims with tubeless conversion. Seal ring material: high-density rubber ( anti-aging, high or low temperature-resistant) The tubeless valve stems can prevent unsafe factors effectively which caused by vacuum valves puncture rollover. They are the essential supplies for your driving. All of these are easy to install. Note: Pay attention to the dimensions before ordering to make sure the caps fit your vehicle. Package includes: 10 x Tubeless Tire Valve Stem