This specially designed pillow provides the ultimate comfort and support to improve sleep quality for people who wear CPAP masks. Excellent for back and side sleepers, it helps improve neck and head alignment. The head zone has a concave center to keep you comfortably positioned with soft, cool gel. The contoured sides reduce mask contact to minimize slippage, and the famous Contour Curve cradles your shoulders in comfort. Premium memory foam, polyurethane and gel. Bonus washable cover included. 20"L x 11½"W x 4 ½"H.