1. Support: A sedentary lifestyle, cross-legged, incorrect body movement, or physical fatigue can lead to spinal imbalances and pain. The back stretcher is specially designed to restore the natural curvature of the back and relieve back pressure. 2. EFFECTIVELY RELIEF PAIN AND IMPROVE POSTURE: The back massage stretcher has plastic needles to relieve back pressure by stimulating the back. And restore the natural line of the spine, help stabilize the spine, and improve the flexibility of the back and shoulder muscles. 3. Adjustable Design: This spine stretcher is designed to be adjustable in height, suitable for most people. You can choose the most suitable and comfortable height to stretch your back and relieve pressure. The higher you set the height, the stronger the stretch you get. 4. Durable Material: The lumbar support is made of strong ABS and environmental NBR material. The back stretcher unit can hold up to 330 lbs, and the foam strip in the middle of the unit provides cushioning for more comfortable use. 5. Portable - Suitable for use at home, in the gym, in the car or on an office chair.