Product detail information link:
https://www.aliexpress.us/item/3256805842612345.html?gatewayAdapt=glo2usa4itemAdapt
2Pcs MTB Road Bike Vacuum Tire Law Mouth Nuts Bicycle Tires Tube Valve Caps Road Car French Tube Valve Cap CNC Aluminum Alloy Normal Nose Tire
Bicycle inner tube nozzle cap
Product name: Bicycle mouth gas cap
Material: Aluminum alloy
Process: CNC
Surface: Anode
Color: Black green
Weight: 10 grams
Place of Origin: China