Specification: Color: Black Size: L x W Measure around waist and select the proper size. L: About 117 x 14cm M: About 102 x 14cm S: About 96 x 14cm Description: High elastic fiber cloth, fine texture, soft handle. Vented and breathable elastic side panels. Adjustable Neoprene double pull braces. Magnetic heating effect helping to relax muscles and reduces fatigue. Nano infrared thermal acupuncture dot matrix, heating quickly, lasting effect . Magnetic therapy increase blood flow and help relieve pain associated with joint and back problems. Supporting the waist, maintain a good posture so that have some effects on lose fat and keep slim in some way. Suitable for: 1. People who has health problem like protrusion of lumbar vertebral disc, sciatica and/or lumbar hyperosteogeny. 2. People whose waist need keeping warm.(Recommend worn it under thin garment) 3. People who always work sedentarily or in a prolonged standing position such as drivers or office workers. 4. Athletes or people doing regular exercise. Usage: 1. Wipe the tourmaline function fabric with wet cloth to get a better effect. 2. Put the tourmaline function fabric close to the body, fixed on the location that needs physical therapy. 3. Appropriately adjust elasticity, tighten the Velcro. (Please according to your skin feel decided to wear the length of time.) Below crowd please use it cautiously: 1. Pregnant women and children please do not use this product. 2. Please stop using if you have a high fever or damaged skin. 3. Not recommended for people with skin allergies or skin temperature sensory disturbance. 4. Patients with acute soft tissue impairment, please don't use. 5. Please use with caution under the guidance of doctors: Patients with serious trauma, high blood pressure or any other disease. 6. Prohibit use! People who fitted with a heart pacemaker or metal stents and other electronic devices inside body. Maintenance instruction: 1. Keep in a dry ventilated place. 2. Keep away from direct sunshine. 3. Keep clean. 4. Avoid ironing. 5. Do not immerse for a long time. 6. Clean the surface with a wet cloth and gently rub. 7. Keep away from ore iodide products & magnetic fields in case of magnetization. Package included: 1 x Magnetic Back Support Belt Ships in 7 business days. It is shipped from China. Delivery is provided by China Post Air Mail. Delivery time depends on the couriers, local customs in your country also holidays, weather conditions. Usually it takes from 39 to 60 days, depending on the customs at your country.