
According to the media, "Hydro Flask" is a thermos that can keep the temperature for up to 24 hours for cold drinks and up to 12 hours for hot drinks. Not only water and coffee, but also alcohol such as beer and cocktails, and carbonated drinks can be put in and carried. It has a capacity of 64 ounces (1.9 L) and is priced at $ 50.

It is usually difficult to keep a glass or porcelain thermos bottle for a long time without deteriorating the condition of beer or carbonated drinks. However, "Hydro Flask" made of vacuum heat insulating material seems to keep the optimum temperature while keeping the bubbles of beer.
I've never wanted to carry beer in a thermos bottle so far, so I'm not sure about my passion for this product, but the law says that you shouldn't drink alcohol outdoors. Many countries and states have . For those who want to drink beer outdoors in such a place, "Hydro Flask" can also carry liquor secretly, and it may be a truly "magical" item. Of course, that doesn't mean you shouldn't drink alcohol until you violate the law.