DescriptionThis is a premium self-heating therapy support brace. It is comfortable to touch, uneasy to distort. Our belt gives you a warm massage - using your own body heat to heal and relax you. And it is lightweight, easy to carry out.Features- Color: Black. - Material: Cloth and magnet. - Size S: About 60-73cm (Waist) - Size M: About 73-90cm (Waist) - Size L: About 90-100cm (Waist) - Size XL: About 100-110cm (Waist) - Made from material, durable to use. - Narrow in front and wide in back, it fits the waist and abdomen when exercising. - Magnet design, self-heating. - Designed to be slim and light, it works neatly beneath your clothes. - Great for back pain, sciatica, lumbar muscle strain. - High elasticity, stable sticky, and warm. - Warm Tip: Dear buyer, due to lighting effect, monitor's brightness, manual measurement and etc, there could be some slight differences in the color and size between the photo and the actual item. Sincerely hope that you can understand! Thank you!