1. Stretchable Migraine Relief Cap: Our migraine headache relief cap fits all face shapes, head sizes, and eye contours. Stretchable gel conforms closely to all different head shapes and is easy to adjust to a suitable fit. Provides a soothing and relaxing experience. 2. 2025 Odorless Material: Different from other old migraine relief caps, our headache relief hat is made with cuttingedge material and expertgrade gel, nontoxic and with no smell. The solid gel migraine wrap is totally and resists tearing and leaking. 3. Ergonomic Design: The curve of this migraine cap gel ice cold pack is designed ergonomically with a 360 surrounding gel design, providing deep head relaxation, and quick relief from tension, inflammation, fever, puffy eyes, stress. The onepiece design saves you from messy wraps, uncomfortable ice packs, inserts, or awkward straps. 4. Hot Cold Therapy Headache Hat: Our headache relief cap provides dualuse. You can use either hot or cold therapy as needed. Cold Therapy: First put the headache cap in a zer bag (or plastic bag), and put it in the refrigerator for 1.5 2 hours. Hyperthermia: First remove the migraine hat from any plastic bag and make sure it's at room temperature, then microwave in the center of the microwave for 30 seconds; if more heat is needed, microwave in 5 second increments.