About this item ? Premium Material: The valve stem caps are made of high-quality anodized aluminum alloy, anodized and powder coated finish for maximum strength and durability, surface anodic oxidation treatment makes the color brighter. ? Special Design: Tire stem covers are fitted with a heavy duty aluminum alloy and plastic lining, which will protect the valve stem from corrosion caused by direct contact with clay, water, and snow, special in wet or cold areas. ? Wide Application: The inner diameter of tire air caps is 11mm/0.43inch, and the inner height is 17mm/0.67inch. So the valve caps universal fit most cars, bicycles, SUVs, trucks, RVs, and other motor vehicles, etc. ? Easy to Install: With the simple and smooth horizontal stripes design, the car tire caps are easily hand tightened or taken off without any tool All orders are shipped out within 24hours via usps ground advANTAGE WITH TRACKING If you have any questions feel free to use the send seller a message button