These are aluminium tire valve dust caps.
There are various of colous for selection: Silver, black, red,pink,blue,green, gold, orange etc...
We are one of tyre valve and tyre valve cap manufacturer, we can do various types of valve caps with different material and colours for selection.
Also customized tyre valve cap with blister card package is available, we are more experience on this area.
For details please feel free to contact us.