**PACKAGING HAS BEEN OPENED FOR INSPECTION BUT THE ITEM IS NEW/UNUSED** Features Wearable chair that folds conveniently into a small, portable pouch Dynamically promotes good posture Ergonomic chair for back pain sufferers Prevents slouching CushShins are black, made of foam and plastic Stretch Straps sold separately The Nada-Chair is the chair that you wear. This slouch-busting sling lets you sit comfortably for hours with effortless good posture. When you sit forward, the back support follows. Since the Nada-Chair follows your body with every move, you constantly enjoy firm, adjustable and dynamic support hugging your low back. "The Nada-Chair acts like an extra muscle that never tires," explains Arthur White, MD. By using the knees to stabilize the pelvis, muscles are relieved of their isometric tasks. The pelvis becomes a stable pedestal on which the spine can effortlessly rest with natural curves restored. Stretch Straps sold separately Testimonials: The ideal chair that moves with the body "just as a glove moves with the hand that wears it." - Emilio Ambasz Recommended for: Chronic back pain sufferers who cannot find ergonomic chairs that fit but still must sit all day in office chairs are guaranteed welcome pain relief with Nada-Chair's Back-Up model lumbar support. The ergonomic back support can also helpful for women suffering low back pain from pregnancy. Nada-Chair in Outer Space: No chair has flown higher than the Nada-Chair. It has traveled with the astronauts to space to help ease micro-G induced back pain. But its more down-to-earth application is keeping computer users sitting comfortably upright. These "terminal" sitters need the extra cushion that is provided by our Back-Up. Great for ALL Sizes: Its knee cushions and back pad are twice as thick as the next-in-line S'portBacker. It also comes with CushShins to disperse the leaning weight over three times as much area of the shin. For this reason, this is the first choice for those with bigger body builds.