Clarifications & Features: * Designed to provide comfortable support for the natural alignment of your neck for unparalleled comfort while sleeping. * Heat sensitive sponge: an outer layer of heat sensitive sponge that provides comfort to your neck. * Cushion height fitting to provide the best possible comfort: Designed with a high and low end to provide an option for the most supportive and comfortable height. Aligning the cervical vertebrae: Helps you maintain a proper alignment of the cervical vertebrae by filling the natural surroundings of your neck without lifting or tilting your head, whether when sleeping on your back or side. * Strong support: a polyurethane foam base provides strong support when sleeping. * Includes automatic washable cushion protector.
