.The Comfy Adjustable Back Rest is secure and stable and can be adjusted to a number of different positions, from a low lying angle to an upright sitting position. The sturdy metal frame of the back rest is covered in a breathable nylon fabric and is also supplied with a small pillow to ensure maximum user comfort.This sturdy Adjustable Back Rest can be angled within a range of 20 to 75 degrees. The comfortable headrest can be removed if required.