Wonder Haven Standard Size Extra Firm Density Cervical Pillow Standard Size traditional smooth polyurethane foam for cool, comfortable sleep & consistent corrective contour for effective neck support. Each pillow has 2 lobes of slightly different heights to allow for customized comfort during back or side sleeping. NOT heavy, dense memory foam, which tends to compress and flatten under body warmth during sleep, lessening any corrective effect for a troubled neck. Available in 3 densities and 3 sizes to suit your individual needs and preferences. Soft white poly/cotton blend cover removable for washing Complimentary night time neck care recommendations are included. PRODUCT IS NOT RETURNABLE AFTER DELIVERY.