S Size Rakuten #1 "Thermos Structure" Cold/Hot Stick Ice Pack

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~Product Description~

[Cool in Summer! Hot/Cold Dual-Use Bottle]
This 2-way bottle keeps you cool in the summer and warm in the winter. You can also use it as a hot water bottle by filling it with hot water instead of ice to warm your hands and feet.
* Please use hot water below 70°C and wrap it with a towel or similar item before use.
[For Heatstroke Prevention]
Use it as an ice pack during hot weather for sports, watching events, summer festivals, and various other occasions. It's convenient because you can use it immediately by simply adding ice water.
[Maintains Temperature for a Long Time]
The vacuum insulation structure maintains the internal temperature for an extended period. It can keep contents cold for approximately 40 hours and hot for approximately 8 hours.
* Duration may vary depending on the usage environment, ambient temperature, body temperature, direct sunlight, etc.

This is a vacuum-insulated bottle that provides instant cooling and long-lasting cold retention.

- Function: Instant cooling by adding water and ice
- Structure: Vacuum insulation
- Cold retention effect: Can keep cold for 40 hours after 2.5 hours

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