Feature: 1. 26 magnets: 16 magnets on the waist and 10 magnets on the abdomen. It can effectively targeting human acupoints for magnetic therapy. 2. Self-heating: Self-heating materials are added to the waist and abdomen. Under the stimulation of human body temperature, the thermal materials react to emit heat, which can effectively improve the human body's microcirculation, dredge the meridians, and relieve pain. 3. Strongly support the waist and correct the posture: 5 built-in movable support bars can give strong support to the waist and correct the bad waist posture at the same time. 4. Waist corrector suitable in all seasons: The self-heating pads are movable. In summer, remove the self-heating pads and use it as a waist corrector. In winter, stick the self-heating pads to keep warm. 5. Double afterburner belts: Two fixing belts provide strong pulling force and can fix the waist corrector well. Heating principle: Under the stimulation of human body temperature, the heat-sensitive material reacts immediately to release heat, strengthens acupuncture and hot compress stimulation at key acupoints of the human body, effectively activates the human body acupoints, thereby producing a meridian effect; at the same time, it can continuously release far infrared that is beneficial to the human body With negative ions, it can effectively improve the microcirculation of the human body, promote cell metabolism, dredge the meridians, relieve pain, expel wind and dampness, and enhance the body's disease resistance. About sizes: S:Suitable for waist circumference of 88-90cm(34.64-35.43in). M:Suitable for waist circumference of 98-100cm(38.58-39.37in). L:Suitable for waist circumference of 108-110cm(42.51-43.3in). XL:Suitable for waist circumference of 118-120cm(46.45-47.24in). Product Included: 1 * Waist Corrector