Aluminum outdoor small portable bottle kit?

Colors， please refer to the option?

With lanyards overall size of approximately 6.8 * 1.7 (diameter) cm?

Material Aluminum [In the process， the inner wall not cleaned after the procedure， one is to play the role of protection against rust， guests are advised to get the goods， yourself cleaning]?

Recommended reason?

Featured and very easy to carry， water resistant， very clean cartridges， you can install the emergency pill， hang ring， easy to use.?

Weight 10g