Product 1.High Quality Durabl: ensure your spinal feel comfortable. 2.Relieve Back Pain Posture Correction:which produces acupuncture effects by pressing deeply on specific points. massager is able to help activate the natural healing response and improve the blood circulation to give you completely relief for back pain, spinal pain, muscle pain,etc. 3.Adjustable Multi-Level Design: that will exercise your back in a healthy way. Safely supporting your back, the ergonomic design features a spinal groove that cradles and protects the spine.You can fix this back stretcher device in a most comfortable level for easily stretch and effective pain relief. 4.Ergonomic Design:Basing on ergonomics concept, the contour of the lumbar traction device is in standard body curve to provide better spinal alignment and efficient acupressure massage.The lumbar support is uniquely designed to help correct and improve posture. 5.Portable and Easy Installation:Our lumbar stretcher is easy to install and use, and also lightweight and portable. Great for use at home, at the gym, in the car or at the office chair.