Magnetic Therapy Lumbar Support Belt Self Heating Lower Back Support Back Waist Belt g20241929429 f741. Magnet therapy: 15 magnets on the back + 8 magnets on the abdomen, strong magnetic force, stimulate acupuncture points and release far-infrared negative ions. 22. Support: 4 support belts are consistent with the waist curve and support the lumbar spine to reduce lumbar pressure. 33. Material: Breathable fabric, comfortable back support belt, harmless to the skin, durable, suitable for all seasons. 44. Size: S waist circumference 63-73cm, M waist circumference 74-83cm, L waist circumference 84-95cm, XL waist circumference 96-110cm, XXL waist circumference 111-115cm. 55.Applicable people: middle-aged and old people, middle-aged and young people, adults, elderly, children. 67Applicable people: middle-aged and old people, middle-aged and young people, adults, elderly, children 8Size: 9S: Suitable for waist circumference: 63cm-73cm 10M: Suitable waist circumference: 74cm-83cm 11L: Suitable for waist circumference: 84cm-95cm 12XL: Suitable for waist circumference: 96cm-110cm 13XXL: suitable for waist circumference: 111cm-115cm 141*Magnetic Therapy Lumbar Support BeltProduct category: back support belt/lower back supportMaterial: comfortable and healthy, skin-friendly