DescrptionThis item is a practical waist supporter, the brace has a strong compression support to limit back pain and also encourages extra toning during movement and exercise. Besides, this back supporter is made with meshed cloth and covered with stretchable nylon to provide best comfort and compression on your waist. Adjustable design makes it easy and comfortable to use. It is really a wonderful magnetic therapy waist support for your families and friends.Features- Color: mainly black. - Material: Polyester. - Size: M (94cm / 2.1-2.4feet)L (102cm / 2.3-2.8feet)XL (94cm / 2.8-3.3feet)XXL(117cm / 2.8-3.6feet) - A removeable cushion with self-heating micro-particle to raise your abdomen temperature within a few minutes. - Uniquely designed with 3 medical bones that can release your pressure on the waist and support your belly and lower back. - Made with premium materials which is breathable, elastic, adjustable and light weight even if you wear for a long time. - High elasticity and breathable with adjustable closure & three medical cartilage system, perfect for wear in every season every where, it also can keep warmth in the chilly cold whether. - 4 sizes available best to fit your belly and waist, suitable for most adult men and women to use.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.Below Crowds Please Use it Cautiously1. 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 tissue impairment, please don't use. 5. Patients with serious trauma, high blood pressure or any other disease, please use with caution under the guidance of doctors.Maintenance Instruction1. 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.