EASY TO USE: Features temperature-holding gel technology that allows for quick and easy heating in the microwave or chilling in the fridge/freezer for personalized pain relief RELIEVE PAIN: Effectively reduces discomfort from migraines, headaches, and tension while blocking out harsh light and sound for a more relaxing experience REUSABLE: Durable and versatile design ensures safe, repeated use, offering consistent relief whether you need hot or cold therapy LONG LASTING: Retains temperature for extended periods, providing soothing comfort throughout the day or even while resting TRUSTED BRAND: Mueller Sports Medicine has been a trusted leader in sports medicine for over 60 years and is committed to helping you heal, reduce pain, and elevate your performance