This full-length back support features 10 zones for proper alignment and superior comfort in any chair or car seat. The freedom back"s sculpted shape is so effective because it was inspired by the natural curves of your back. It helps to relieve stiffness and pain around the low back, legs and tailbone area. The spinal channel keeps pressure off of your tender spinal column. Wrap around sides hug your body for extra comfort and stability while the anatomic shape contours to fit the small of your back, providing plenty of TLC (total lumbar comfort). The lightweight and portable design makes the freedom back ideal for travel. The freedom back comes with a machine washable, form-fitting cover with positioning strap.