1. Relieve LOWER BACK PAIN Back brace contains 4 Memory-and steel springs placed along the waist side, offer stronger vertical support to lower back,prevent excessive rolling of your muscles and decrease the pressure on your discs .2. UNDER CLOTHES support made of -way stretch elastic material knitting technology by different compression levels, for superior fit,breath and comfort. The inner layer is made of fabric, giving an silky touch, for dressing internally.3. PREVENT BACK INJURIESBack support with elastic straps are designed to add extra compression around lower back to prevent back injuries from weight lifting, long time standing or sitting, doing housework, working, etc. Relief waist muscles ache, disc herniation, sciatica, scoliosis etc when wearing the back belt.4. CONSIDERATE DETAIL DESIGN anti-skid bands are designed on the 2 sides of the waist,prevent the waist support belt from rolling up when sitting, bending or doing other activities.wide size Touch Fasteners of elastic straps strong adhesion far beyond your expectations, will not scratch your skin or damage your clothes.