1Wide Application: Tire stem valve caps universally fits for most cars, bikes, SUVs, trucks and other motor vehicles etc. 2Rubber Sealing Ring: The stem cap has a rubber gasket to help achieve an airtight seal. Blocks dirt and moisture, also helps prevent air leaks, and prevents the bonnet from loosening and falling off due to vibration. 3Unique Design: Skull shape design, easier to grab and tighten, and personalize your vehicle in appearance, more stylish and eye?catching. 4Exquisite Craftsmanship: One?time die?casting, the surface avoids metal oxidation, rust and improves wear resistance, texture and gloss. 5Premium Material: The outer is made of high?quality Abs plastic, and the interior is designed with copper to ensure long?lasting tire valve cover, especially suitable for wet/cold areas.