25Pcs Tyre Valve Caps, Plastic Dust Covers with O Ring Seal for Car SUV Truck Bike - Tire Stem Caps 13mm

【Pressure Maintenance and Leak Prevention】Simply tighten it and it can effectively block dust, sand and moisture, while also assisting in maintaining tire pressure and preventing slow leakage of the valve core due to foreign objects entering. 【Weather-resistant Formula】Made with ABS injection molding and equipped with an NBR rubber sealing ring, the tightening torque has been precisely calibrated to ensure a secure seal without getting stuck. 【Unified Protection】When you notice signs of aging on your car's valve cap due to sun exposure and rain, or when the tire pressure of your bicycle frequently inexplicably drops, replacing these caps with the sealing rings can solve the problem. 【Suitable for Families】The color options can also be used to distinguish different vehicles or indicate the tire pressure monitoring status. It is recommended to replace all vehicles, bicycles and spare tires in the household uniformly. 【Guarding Tires】When the tire pressure remains stable due to this meticulous protection, this plastic cap is the first line of defense to extend the tire's lifespan and ensure fuel efficiency during driving.