1. Supportive: Sedentary lifestyle, cross-legged sitting, incorrect physical movement, or body fatigue may lead to spinal posture imbalance and discomfort. This back stretcher is designed to help restore the natural curvature of the spine and reduce back pressure. 2. Pain relief and improved posture: The back stretching device features 88 plastic nodes that help relieve back tension through stimulation, encouraging the spine to align naturally. It helps support spinal stability and enhances flexibility in the back and shoulder muscles. 3. Adjustable design (4 levels): This spinal stretcher offers adjustable height with four levels, suitable for most users. Choose the most comfortable height to stretch your back and reduce tension. Higher settings provide increased stretching intensity. 4. Durable construction: Made from sturdy ABS and NBR foam materials, this lumbar support device supports up to 330 pounds. The central foam padding adds comfort during use. 5. Portable: Ideal for use at home, in the office, at the gym, or while traveling.