Self-heating Belt Support With Magnetic Therapys For Health Care And Warm Lumbar Spine Feature 1. The scientific and ergonomic fixed waist belt fits the curvature of the waist to form effective spine support and enhance waist protection. 2. Auxiliary ABS support plate and metal support plate, strengthen the tough spring, increase stability, double protection for the waist, effectively relieve waist pressure and pain, and avoid muscle atrophy. 3. Equipped with 3 replaceable and detachable cushions, multi-purpose effect, enjoyment in four seasons, built-in 5 self-heating magnets, provide hot needle , effectively open pores, penetrate into the skin, drive away cold, strengthen blood circulation, fatigue and muscles of the body Pain relief. 4. 360-degree traction compression design, slim waist and chest, stretch the spine, disperse the pressure on the lumbar spine, and protect in all directions. 5. Features: Comfortable pressurization, magnet maintenance, steel plate support, detachable gasket, 360-degree surround 6. Built-in 28 magnets, corresponding to acupuncture points. Specification Material: breathable mesh + plush fabric Color: black (as shown in the picture) Size: S/M/L/XL Belt length: 87-116CM (optional) Fit: suitable for 65-115cm waist circumference (optional) Function: Lumbar disc herniation, lumbar muscle strain, lumbar sprain, sedentary pain and discomfort, rheumatic lumbago, sitting hunchback, waist curve repair, daily lumbar care size chart Size S Belt length: 87cm Suitable for waist circumference of 60-77cm Size M Belt length: 95cm Suitable for 80-87cm waist Size L Belt length: 104cm Suitable for 90-100cm waist Size XL Belt length: 116cm Suitable for 103-117cm waist Package Included: 1x belt