Howdy Johnny Vacuum Flask Stem STD BW

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Vacuum stainless steel bottle with an original illustration of Bear and Wolf, weighing only 200g.

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Weighing 200g, this lightweight vacuum stainless steel bottle was developed using the latest technology

These original goods are printed with characters from Howdy Johnny, a short animation about Bear and Wolf in the mountains.

-Lightness is justice

By making the thickness of the stainless steel as thin as possible, the bottle achieves an ultra-light weight of 200g despite its 500ml capacity. It's a great choice not only as a personal bottle to bring to the office, but also for activities such as mountain climbing where you want to keep your luggage as light as possible.

-Lightweight and Heat and Cold Retention by copper coating

The thinner stainless steel reduces the contact area between the inner and outer bottles, which reduces heat conduction and greatly improves heat and cold retention.
In addition, a copper coating is applied to the inner walls of the vacuum section to prevent heat transfer, which cannot be prevented in a normal vacuum, and to block heat from escaping, further enhancing the heat retention effect.

-Electrolytic polishing prevents stains and odors

The surface of stainless steel has unevenness that cannot be seen by the naked eye, and dirt tends to accumulate in the unevenness, causing odors to migrate. This is why the inside of the bottle is electropolished to make the surface shine, making it resistant to stains and odor transfer even when filled with fragrant coffee or flavored tea.


"Let's make the outdoor culture more exciting."
Howdy Johnny was born from this idea.
The story is set in the mountains and involves bears, wolves, and sometimes even people.
We aim to make everyone happy for 2 minutes, even for those
 who are not interested in the outdoors will smile and laugh.
Now, please enjoy the talk of Bear and Wolf today!
HOWDY JOHNNY official channel is HERE

Note: HOWDY JOHNNY official channel is only available in Japanese, sorry!
Product name
HWJ Vacuum Flask Stem STD BW
500 ml
Approximately 200 g
About W70mm × D70mm × H225mm
Raw materials
Stainless steel (body) / polypropylene (lid, inner plug) / silicone rubber (lid, tap)
Heat retention effect
73 °C or more (6 hours)
Cold retention effect
7 °C or less (6 hours)
Country of origin
Microwave / dishwasher can not be used.

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