Standard roll is 14 x 4, Provides seat comfort and back support, Attaches and stays in place with elastic strap, Washable dacron / cotton cover, Designed to correct posture while sitting by providing additional support to the lumbar area, Constructed in a high density polyurethane foam and is covered with a poly/cotton cover, Available in a full or half roll and comes with a strap in Navy, SKU: COMSU17260