Designed To Provide Relief From Discomfort Associated With Poor Sleep Posture * Supports The Natural Curvature Of Your Neck Helping To Relax Muscles And Ease Tension For A More Restful Sleep * Designed With A High And Low End Providing A Choice For The Most Supportive And Comfortable Height * Made From 100% Polyurethane Foam * Size: 18.5 X 11.4 X 3.6 *