• 360-degree compression with thick gel that fits the head perfectly. • Dual hot and cold therapy ideal for relieving migraines, tension, stress, and sinus pain. • Integrated ergonomic design that covers the head and eyes, also functioning as a mask to block light. • Made with high-elasticity lycra fabric and soft gel, non-toxic and odorless. • Maintains flexibility even after being in the refrigerator for a comfortable and effective fit.