canteen of water to cool the second without the slightest effort water, beverages and liquids in general, and also without watering down.

摘要

canteen to cool instantly without the slightest effort, water, beverages and liquids in general, constructed in such a way that the inside is present, as shown in the photograph.a hermetically sealed container and containing water or other liquid is freeze.the canteen is to always keep in the refrigerator so that the container is totally or partially frozen freeze.every time you want to cool a drink just pour it in and it will be perfectly cooled flask in 4 seconds.we can repeat the operation, even for many times, and put the bottle in the refrigerator.the canteen is available to cool beverages throughout the day as the container does not melt at any useand after being frozen for the first time will always be totally or partially frozen. no effort is therefore required, nor for the use or reuse of the canteen.