Developed for NASA, temperature-sensitive visco-elastic foam technology can now help you improve patient care. The Crescent Memory Headrest conforms to your patient's head and neck and "memorizes" shape for unbeatable support. It drastically improves comfort while holding the head in a more steady, chin-up position. Ideal for children and for longer procedures. Fluid-resistant soft vinyl cover may be surface disinfected. 7 1/2"W with elastic strap attachment.