It is marine therapy. A self-heating pack filled with sea mud and seaweed in the mineral, in the spine and soles. Disorders of autonomic nervous system, back pain, menstrual cramps, obesity, skin diseases, allergies, atopy, depression, etc. have all effects. The temperature rises rapidly at about X NUM X degrees, and gradually drops gradually. It is a pleasant seaweed pack. After treatment, your body and feet will be lighter. Minerals are absorbed from 13 minutes, but once they come in from the skin, they are not lost immediately, so it is a treatmen that you want to do once a month.