OCA Water Pillow is designed to naturally position the head and neck on the basis of hydrostatic buoyancy to eliminate neck pain and headaches and to improve your sleeping posture for a better night’s sleep. Improve your quality of sleep by reducing neck pain, headaches, and morning pain intensity. The pillow adjusts to the firmness and support necessary for your head and neck by simply adding the desired amount of water. The correct firmness aligns your spine for the best sleeping posture regardless of your sleeping position, reducing undue stress, tension and pressure on your face, neck, muscles, ligaments, vessels, and nerves. For More details about OCA Water Pillow, Please Visit www.waterpillowonline.com