Suitable for dysmenorrhea, uterus cold, menstrual disorders, balances hormone secretion, relax and activate the tendors, irregular menstruation, delay menopause, weakness, insomnia and postpartum abdomen. * Ergonomic design: fits the body according to the shape of the abdomen, neck and shoulder joints, more fit, and will not fall during exercise * Medical grade non-woven fabric: long heat generation, stable heat, no leakage of powder, and a greater reduction of allergies. * Germany imported Henkel glue: sticky and does not hurt clothing * Mature technology, medical quality, fever for more than 8 hours.