WonderFlex Pillow - Doctor Recommended and Endorsed by a Prestigious SLEEP INSTITUTE (STANDARD) Endorsed by DOCTORS and a SLEEP INSTITUTE Unique Comfort Flexors mold and stay in your favorite position, providing proper support for your head and neck Exclusive CrossMatrix ventilation to keep you cool; Contour-channel design provides the ultimate cervical alignment Feel rested and refreshed each and every day! Helps to eliminate annoying snoring. Guaranteed to sleep longer or your money back!