●MATERIAL:our valve stem caps are made of high quality aluminum alloy , durability, heavy-duty and weather-resistant to extend service life of tyre ●WELL DESIGNED: our tire valve caps are well designed . ●INCLUDE: package comes with 4pcs Tire Valve caps. ●WIDE APPLICATION: 7mm(Inner diameter), and 13.8mm in height, fits for most cars, bikes, SUVs, trucks and other motor vehicles etc ●EASY TO INSTALL: The tire valve caps are easy to screw on the tire valve stem; it is easy to install or remove when you want to check air pressure.