This pillow is designed to help correct spinal posture of the neck The concave center cradles the head as the cervical roll supports the neck Helps restore the proper curvature of the spine For the most aggressive correction choose standard firm option The gentle option slightly reduces the height and firmness of the pillow for a less aggressive correction Organic cotton shell is softer more gentle for those with sensitive skin Pillow size 24 x 16 x 5 You may need time to adjust to the pillow over several weeks Immediate overuse may increase neck pain Most users who slowly ease their way into orthopedic correction achieve the best results Using a corrective pillow can help ease pain from tension headaches neck injury and arthritis