Beautifully designed: tire valve covers with smiling face shape, very charming and exquisite. High quality material: the valve caps are made of durable aluminum alloy and acrylic, have high strength and will not fade. not easily deformed, even if under pressure, can last for a long time.Easy to install: ;installation only requires screwing it onto the tire valve stem; It is easy to install or remove when you want to check the air pressure.Function: These black valve caps can protect the valve from exposure to water, dirt and dust, thus extending the life tire life; Also can replace the original defective valve cap. Universal design: ideal for automobile, bicycle, motorcycle valve cap. Note: The data are all manually measured, please allow 1-3 error cm, due to the difference in light and display, there will be a certain color difference, the actual object received shall prevail.