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above 54c temperature can be obtained if you fold slightly the metal piece in the
bag. used to relieve pains, swelling and anaesthesia caused by rheumatism, arthritis,
acne and fatigue; used for stomach and intestines diseases, diarrhea and
bellyache caused by cold; dysmenorrhea and post partumadduct abdominal muscles;
used for dissipate blood stasis in trauma recovery. also used in:
warming when skiing, fishing, hunting and going for picnic; warming in low temperature
rooms.
USAGE:
1.when the material in the bag turns in liquid state, slightly fold the metal piece
in the bag and the liquid immediately become emitting crystal and send out heat.
2.after use, the material in the bag becomes hard crystal, which should be boiled
before turning completely into liquid(about 5 minutes). at this time it can also
be used as a hot-water bag.

above 54c temperature can be obtained if you fold slightly the metal piece in the
bag. reusable.