Self Heating Back Brace Lumbar Support Belt Relief Back Pain Herniated Disc Breathable Back Support Belt For Men Women Waist Straightener Size: M: 55 65cm (20-23.6 inches) L: 66 75cm (24.9-28.87 inches) XL: 76 85cm (30.18-32.8 inches) XXL: 86 98cm (34.1-39.37 inches) product function and scope of application This lumbar traction belt can reduce the pressure on the waist effectively.It can support, push and correct the waist problem. It is also equipped with self-heating pad and massage pad, which can relieve waist pain and lumbar massage.It can use at office working,daily life or doing sports and so on. Notice:Do not wear the belt during sleeping. product using instruction The belt can use without any pads, also you can choose either the self-heating pad or the massage pad to use. a.We suggest to wear the self-heating pad on the skin.The heating function will be better. b.Please use wet towel to wet your lumbar skin first before wear the belt. c.Please follow the steps above to wear the belt around your lumbar skin. After about 10-15 minutes you can feel heat and feeling of acupuncture. d.Wear 3 4 times a day, and wear it about 30 minutes every time.(According to your condition and comfort you can adjust the time appropriately.) e.If you feel too hot when using it, you can take off it temporarily or wear it on the clothes. taboo a.Pregnant women, patients with Hemorrhagic tendency, malignant tumor, high fever, skin injury and severe hypertension are prohibited. b.This product is a personal health protection product. If it is needed for medical use, be sure to consult a doctor. Note: The size of the waist protection belt is manually measured, there is a slight error of 1-2cm, please refer to the actual product!Pressure reducer: thicker design of lumbar support accessories, strong endurance and more. Comfortable and breathable: the inner layer of the belt is made of light suede fabric, which is soft and reduces fat. Replaceable self-heating pad: The back heating pad adopts a new generation of self-heating technology, with 9 built-in physiotherapy magnets, which can effectively promote blood circulation and relieve low back pain. Relieve pain: the steel plate alone supports it, which helps to reduce the compression of the spine and disperse the strength of the lumbar spine. Waist size: M: 55 65cm (20-23.6 inches), L: 66 75cm (24.9-28.87 inches), XL: 76 85cm (30.18-32.8 inches), XXL: 86 98cm (34.1-39.37 inches).