Magic back stretcher is quite helpful in relieve chronic back pain, spinal tension, correct postural imbalance and restore natural curvature. It is effective in treating pain from muscle spasms, pinched nerves, herniated discs, sciatica, degeneration, tight knots, excessive flexion and more Magic lumber back support helps relieve back pain & posture correction. It is an ultimate device for preventive care for your lower back and posture imbalance due to daily activities involving extended use on the computer, sitting all day, or physical activities. The lumbar support is uniquely designed to help correct and improve posture. Designed for people of all ages. Ergonomic design includes a multi-level arch with 3 adjustable resistance settings so that all ages and fitness levels can benefit from using and improve flexibility. Recommended by the renowned orthopedic surgeons, notable physiotherapist and used by many many celebrities. Lightweight and portable to carry and store. Dimensions : 36 x 24 CM :: Material - ABS Unbreakable Plastic :: Color - Black (LUMBERBACK008)