Lightweight and easy to use. Inflatable Three-tier. Increases blood circulation around the cervical spine, stretches stiff muscles around the neck. Relief from stress and horrible pressure of neck pain,shoulder pain, tension, muscles spasms,head & cervical vertebral area, numbness in the arms caused by a pinched nerve. Keeping your neck in a perfect posture, preventing further neck injury and pain.It can prevent forward-and-down head position! Lightweight and easy to use. Inflatable Three-tier. Increases blood circulation around the cervical spine, stretches stiff muscles around the neck. Relief from stress and horrible pressure of neck pain,shoulder pain, tension, muscles spasms,head & cervical vertebral area, numbness in the arms caused by a pinched nerve. Keeping your neck in a perfect posture, preventing further neck injury and pain.It can prevent forward-and-down head position! SKU 100278053_NP-1020539844 Model Neck air cervical