Japanese Water Flask is pretty useful in any occasion

Japanese water flask is not only keep temperature of inside but also very light to carry around.

One of the popular water flask companies is ZOJIRUSHI which has been selling water flask since around 1948 and the characteristic of the water flask is “thermal”.

Even with thermal function, it is only 220g (7.7oz) for 360ml, it is easy to open with one touch button and easy to clean.

For kids to bring it to schools, it is 490g (17.2oz) for 820ml which is easy to carry and not heavy, also it keeps cold water or tea until they finish school.