TheraICE Rx Form Fitting Gel Ice Headache / Migraine Relief Hat is a Cold Therapy Migraine Relief Mask with NO Velcro and NO Hard Ice. It's Comfortable & Stretchable, which makes it the perfect Ice Pack for headaches and migraines. It helps releave Tension, Sinus Pressure & provides Stress Relief. Made with cutting-edge material and expert-grade gel, this one size fits all stretchable compression hat is comfortable and the dark material blocks the light to help with light sensitivity while wearing.<br><br><b>Headache / Migraine Relief Hat Features:</b><br> <b> Complete 360° coverage <b> Provides natural relief via hot or cold therapy as needed <b> Dark black material blocks the light to help with light sensitivity <b> Stretchable and form-fitting One Size fits all <b> Clean, convenient, and travel-friendly <b> Stays cold for the perfect amount of time