Features 1.Durable Construction: The car tire pressure caps are made of chrome plated metal and PC material, ensuring durability and resistance to wear and tear. 2.Reminder: The tire pressure caps visually remind you when the tire pressure is low. This provides a convenient way to monitor your tire pressure. 3.Suitable for Various Vehicles: These caps are designed to fit tires with a pressure rating of 35PSI (2.4Bar), making them suitable for use on cars, motorcycles, bicycles, and more. 4.Tire Pressure Monitoring: Help prevent premature tire wear and punctures from underinflated tires, enhancing fuel efficiency, safety, and control. 5.Color Indication: Green indicates normal tire pressure, yellow indicates pressure 10% below the standard, and red indicates pressure 25% below the standard. 6.Installation Note: These washers can easily come off and be difficult to find again. It is recommended to remove the caps before servicing your car in the garage to avoid losing the washers. Specification Item Type:CarTirePressureCapsMaterial: Metal, PCSize: Approx. 1x2.5cm/0.39x0.98in Package List 8 x CarTirePressureCap Note When washing cars automatically, it is better to remove these air caps.