Cold/hot pack

New type of environmental material,
It is made for customer ,according to original sample, with new type of nontoxic and innocuity environmental material, be able to bear high pressure, lightly weight, touched softly.
Usage:
Hot therapy: immerse the pack into the hot water for 15-20minutes,then apply to your body, or wrapped with towel before use if the temperature is over hot.
Cold therapy: put the pack in the freezer for 2 hours, and then apply to your body, or wrapped with towel before use if the temperature is extremely low.