Cervical pillow is designed to keep the neck in the slightly hyper extension position at night to counter the stress and strain of the day where we tend to keep the neck in the opposite "flexion" position. It cures the cervical problems while you sleep. Optimal foam density : Soft and cushiony, more comfort, good resilience, effective support to the neck and longer functional life. Scientific design : Maintains the neck in slight hyper extension, provides muscle relaxation and proper support to neck. Plush covering : Provides soft feel, good aesthetics and durability.