... harm WARMER PAD, also named as HEAT PAD, WARM PATCH, WARM PACK, SELF-HEAT PACK. This product used ... clothes. Heating material is a mixture made up of iron, activated carbon, mineral salt and water. When ... good work of the energy channel, when use on the interrelated acupuncture point, can heal the stomach ... your OUTSIDE of your underclothes NEVER USE IT DIRECTLY ON YOUR SKIN !Step 4. after your using it ...