FOMI's Full Coverage Migraine Hat is the ultimate drug free pain reliever for migraines, headaches, tension headaches, head colds, fever, muscle aches and stiffness, sinusitis, stress, fever, and inflammation relief. Using cold therapy, the hat reduces swelling, discomfort and pain caused by headaches, migraines, inflammation, and injury. It provides instant cooling sensation for the entire head and soothing relief for all the pain points on your head. Made out of lightweight and soothing, fleecy material. It comes with 3 removable and reusable gel pack inserts, one for each side and one for the forehead and skull, for full coverage. Simply place either the entire migraine hat, or just the gel pack inserts, in the refrigerator or freezer until desired temperature for a cooling/ice pack effect. Then adjust the fastener closures around your head. The migraine hat is then ready to relieve your migraines, swelling, aches and pains!