High Performance Multipurpose Reusable Heat pack warmer 55 Degrees
After the water to boil, add the hot pack, 10 minutes later to see if the internal material melt completely, when completely melt can be removed , then and need insulation food together put in the thermal bags (water heating melt, you don't need to worry about box because the water is only 100 degrees c)
Please wear gloves when take out, avoid scald.
The range of application:
Applicable to school, work to carry lunch, outdoor activities, tourism, take-out lunch need to keep the temperature field. Add a layer of flannel, can used for heating in winter.
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