Relax or work in comfort with our Lumbar Support Roll Pillow. Ergonomically designed for better support and sitting posture. Plush memory foam interior adapts to the contour of your body. Adjustable belt strap lets you position height for optimal support and comfort. Attaches to most home/office chairs and car seats. Compact design is perfect for travel and planes. Design also works great for head/neck and leg support. Outer polyester and spandex cover is removable and machine washable.