1．Theory of Heating：
The main raw material of the disposable warmer is the fine iron powder. Heating quantity is produced through oxidation reaction when the iron powder touches the air. The heating duration is up to 8-18 hours per the catalyzers such as activated carbon, wood flour and sand. Its average temperature is kept about 52℃.
2．History of Warmer：
In 1970's of Japan, someone invented the disposable warmer based on the chemical knowledge. After opening up the outer package, it can produce heating within several minutes without fire, electricity, water and other energy source. It is very practical to use in hunting, skiing, winter sports etc. The disposable warmer has become one of the essential goods in Japan. In outdoor winter sports, the warmer can avoid the muscle strain and sprains, frostbite of hands, or soothing relief for lumbago, pain in legs, shoulders and other parts of your body.
3．Instructions：
…Open up the outer package
…Remove the pouch from the outer package and expose pouch to air. Do not open the inside pouch.
…Portable warmer: Place the pouch into your pockets of clothes, scarf, gloves, or shoes
…Adhesive warmer: Adhesive the pouch on to clothing next to required area such as your waist, abdomen, shoulders or knees. (Do not apply directly to skin)
…Dispose of the pouch with regular garbage after use.
4．Contents：
Iron powder, activated carbon, water etc.
5．Storage：
…Keep in dry, cool place and avoid direct sunlight
…Keep out of reach of children
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