Good waist protection can not only fix the waist, keep warm, but also continuously release far infrared and negative ions. It also brings thermoelectric stimulation effect of micro-current to human body. It can effectively improve blood circulation, relieve muscle fatigue, activate cells to promote metabolism, dredge meridians, remove wind and dampness, relieve pain and cold, and enhance the body's resistance to disease. The product is safe, easy to use and has a lasting effect.