Chronic back pain can be hard to address. The unique design of the Ultimate Arch gives the relief that you have been looking for, in the comfort and convenience of your own home. It's travel friendly, and easy to set up, use, and store. With 3 available settings, the Ultimate arch gives you the stretch you need to release tight muscles and low backpain, while improving posture. Includes: 3-level base, flexible support arch with foam comfort pad, chair attachment strap.