100% Satisfactory After Sales: This one-piece, reusable migraine relief cap is suitable for men, women & kids who suffer from headache. If our headache relief cap falls short of your expectations, please feel free to contact us and we will reply within 24 hours and provide return or refund services within 30 days. Migraine Cap Cold and Hot Compress Therapy: The Eveellyn migraine relief cap combines the benefits of cryotherapy and thermotherapy to rapidly deliver targeted relief to any pain point in your head. To use, simply place the cap in the high-quality resealable pouch and chill in the refrigerator for at least 2 hours. Alternatively, you can heat it in the microwave for 15-20 seconds for thermotherapy. Please use caution not to overheat. Stretchable, Adjustable Headache Relief Hat: The solid migraine cap is completely safe and tear-resistant, remaining soft and stretchy even after freezing. To ensure long-lasting hot or cold therapy, we use 20% more solid gel in our migraine cap. This provides significant pain and tension relief through effective hot and cold penetration. Flexible Ergonomically-shaped Migraine Relief Cap: With its intimate "V"-shaped hole design, the headache relief hat accurately hugs the contours of the nose. Its stretchable design allows the cap to effectively support and compress the face, eyes, and head, creating a soothing compression effect. Made with durable materials, double seams, and exquisite details, this cap ensures long-lasting comfort. Ideal Product for Migraine Relief: Eveellyn migraine relief cap is made of soft gel and elastic fabric, making it suitable for everyone's head and face. The headache relief cap combines the benefits of cryotherapy and thermotherapy, which works by cooling or warming the painful area and provides immediate relief from tension headache, inflammation, and sinus pressure.