These special smile face ball valve caps are used to prevent leakage， dirt and rain to extend the service life of tires.<br> <br> Features:<br> Prevent leakage， dirt and rain to extend the service life of tires.<br> Universal for bicycle， motor bike and car with schrader valve.<br> Smile face ball design makes your vehicles look more attractive and special.<br> Best replacement for your old or broken one.<br> Direct replacement， easy to install.<br> <br> Specifications:<br> Quantity: 2<br> Material: Plastic<br> Diameter: 1.9cm / 0.7in<br> <br> Package List:<br> 2 * Smile Face Valve Cap<br>  <br>  <br>  <br>  <br>  <br>  <br>  <br>  <br>  <br>