The CranioCradle is made from a specialized type of polyurethane foam (similar to advanced memory foam), designed to compress for comfort while maintaining its natural healing shape. a gentle easy to use home therapy system that helps relieve stress, tension, and pain by encouraging joints to decompress. Within minutes it will help relax tired cramped muscles to gently release and help restore your body to a deep state of comfort. Designed for comfort, the craniocradle can help with Chronic head and neck issues, headaches, migraines, whiplash, TMJ, sciatica, lower back tension, chronic tight muscles and fibromyalgia.