Do you have low back pain, bending pain, leg numbness and other phenomena? It means your lumbar muscle has been damaged, you should be highly alert! The self-heating lumbar belt with 4 support steel plate, effectively disperse the lumbar spine compression, relax the waist; built-in 25 powerful magnets, release magnetic lines, provide magnetic energy, stimulate acupuncture points, promote blood circulation, slow the waist back pain, keep the waist abdomen warm. Heat generation principle: The inner side of the pad is set with a self-heating cloth layer, made of far-infrared tourmaline self-heating fabric, which does not need to be heated by electricity in advance, just stick the self-heating waist belt on the skin. For the following people, please consult a doctor before use: 1. Those who are being treated by a doctor. 2. Those who are using medical electronic devices embedded in the body such as pacemakers. 3. People with malignant tumors, heart disease, or acute illness. 4. People with skin lesions, people with body temperature over 38 degrees (fever period). 5. Patients with high blood pressure caused by diabetes, etc. 6. Pregnant women, people with osteoporosis, people with vertebral fractures. Notes: 1. Please do not wear while sleeping; 2. For acute soft tissue injury, please use after 24 hours; 3. For patients admitted to hospital for back pain and inflammation of the lumbar region, consult a doctor before use; 4. Pregnant women and children should not be used; 5. If discomfort arises during the wearing process, stop using immediately and consult a professional doctor. 6. The heating pad is not washable.Suitable for a variety of sports protection, ideal for winter and cold autumn outdoor activities. Size: L (suitable for waist circumference 33.1-36.2 inches/84-92cm), XXL (suitable for waist circumference 40.9-43.3 inches/104-110cm), please measure the waist length according to the position of the belly button and choose the right size to buy. Easy to use, exquisite workmanship, firm and solid lines, not easy to fall off, more sensitive; self-heating, magnet curing, lumbar support. Applies to women, the elderly and also applies to office workers, long-distance drivers and others who are easy to suffer lumbar muscle strain, stiffness, arthritis. Double-sided heating, abdomen, waist can be both, this self-heating belt can play a role in both hot moxibustion physiotherapy, but also warmth and cold effect. The four steel plates in the lumbar area provide gentle support for the fragile, injured and arthritic back, effectively stabilizing made to decompress and reduce lumbar spine pressure relaxing the lumbar area. There are 9 magnets in the abdomen and 16 magnets in the waist, which provide magnetic energy by releg magnetic lines of force through the magnets and stimulating acupuncture points to promote blood circulation and keep the waist abdomen warm. Choose warm tourmaline self-heating fabric, skin-friendly and breathable, to achieve a high-quality, warm waist protection effect. The comfortable and soft material not only relieves pain and corrects posture, but also keeps you warm.