WHAT IS LS BELT : Lumbo Sacral belt is spinal support widely used for patients suffering from low back pain due to various conditions. WHEN TO USE L.S. BELT Post discectomy care postural fatigue Osteoporotic pain post operative care vertebral fracture spinal injuries and Lumbar spondylitis SPECIAL DIRECTIONS FOR USE :Rigid Aluminium splints have to be customized before wearing for accurate shape OUR PRODUCT SPECIALITY Double pull mechanism CAN I WEAR WHILE SLEEING If you move a lot in your sleep or get up and walk around while sleeping wearing the back brace at night may not be safe for you. Make sure your back stays cool and dry while you wear the back brace at night. HOW IT IS MADE: Made of sanforized cotton elastic and foam .