Properties of Sand bath made from Japanese volcanic rocks, certified by the FDA as a medical device: *Helps stimulate the circulatory system *Reduces blood pressure *lose weight *Relieve various muscle aches and joint pains *Treatment of frozen shoulder, inability to lift arm fully *Makes it difficult for people to sweat Make it easier to get out *Remove residue from the body *Skin becomes brighter *Stimulates the immune system *Adjust balance in the body *People who have difficulty sleeping *People who need to receive chemotherapy regularly It will help relieve various adverse symptoms. *Makes cells cleaner.