Human Curve Design: The ergonomic equation supports the cervical spine. Rest for a few minutes in comfort and release your stress and tension.Relief Tension Effortlessly: Restore your bodys natural posture and increase in blood flow to your brain, neck muscles and shoulders, which instantly begins to reduce soreness while increasing the range of motion in your upper body.Fully Portable Design: Lightweight and durable design, easy to bring it with you to the office, gym, vacation and use it in any room in your home.Fast and Convenient: Use 10-20 minutes a day, gently stretch, relax and restore the neck and shoulders anywhere.Note:1. Please use it moderately. High amount of use may cause cervical muscle damage. 2. Do not use while sleeping