PRESSURE RELIEF: Made with HIGH DENSITY PU FOAM, which conforms to the natural curve of your body and supports your head and neck to ensure superior comfort. The Therapeutic Ergonomic Design reduces neck & back pain, alleviates shoulder stiffness, promotes proper spine alignment, and helps your muscles relax. | SCIENTIFICALLY DESIGNED: Anatomically shaped, molded from PU Foam with optimal density, provides effective support to the neck. It has a scientific design, maintains the neck in slight hyperextension and provides muscle relaxation. It has a long functional life and good resilience. it is extremely comfortable with very smooth contours. It has two different heights on two different sides to accommodate short and long necks. | NEVER BECOMES HARD: The high quality foam used in making this pillow never gets hard as a rock in cold weather. Unlike most memory foams on the market, it remains consistent firmness and comfortable feel all year. Sleep in comfort and wake up feeling refreshed & recharged. | UNIQUE COVER: The cover used is dust mite resistant and hypoallergenic, highly breathable for air circulation, COOLING PILLOW, provides a cool night's sleep. Fully removable and MACHINE WASHABLE for easy cleaning care. No formaldehyde, no mercury, lead or heavy metals. | CONTOURED PILLOWS DIMENSIONS : 20 Inch (51 CM) x 13 Inch (34 CM) x 5 Inch (12 CM). Weight : 899 grams. Easy to carry packaging. No Chemical Odor.