About The Product:1. Material: The valve cap is made of Zinc alloy, which is corrosion resistant and ble2. Technology: Die cast the Zinc alloy molding at one time. Plate the surface to avoid metal oxidization, rusting and to improve corrosion resistance, wear resistance, texture and gloine.3. Funtions: 1.Protecting the valve core from corrosion due to direct contact with clay, water and snow. 2. preventing the flat tire and ensure stable tire preure. 3. Ensure safe driving.4. Easy installation: Easy to install and remove by Keychain, Only caps onto tire valve stem,then screw. Can rep the bad valve cap of the tyre and also show the beauty characteristic of the tyre.Features:1, High quality sealing ring inside the valve caps, to prevent the flat tire.2, Specially designed to rep the plastic caps. Easy to install and safe to use3, Dust proof: To ensure stable tire preure by protecting the valve core from corrosion due to direct contact with clay, water and snow.4, To protect and decorate the valve caps with lovely color, and personalized design.Why do we use valve caps?1, Ensure our ffic safety. Ensure stable tire preure by protecting the valve core from corrosion due to direct contact with clay, water and snow.2, Decorate our vehicles! Show our personality! Rep our old valve caps with the new personalized design.3, Protect the valve core and proits life-span.How to maintain the valve caps?To avoid the valve caps' natural oxidation and corrosion, we should maintain the valve caps with the following methods:1, Avoid time exposure of the valve caps to water or snow.2, To unscrew and clean the valve caps, and to chethe tire preure on a regular basis, say 2-4 weeks/once, so as to prevent the oxidation of the valve cap threads and ensure the tire preure normal.Size: Universal for CarColor: BlackMaterial: Zinc alloyPackage Includes:4Pcs/Set * Car Tire Valve Caps