Manufacturer: Southwest Technologies Elasto-Gel Cranial Cap Hot/Cold Therapy in Large/X-Large is a versatile, reusable solution designed to provide targeted hot or cold therapy to the head and scalp. This cranial cap is ideal for relieving headaches, migraines, sinus pressure, or tension, offering soothing comfort in an easy-to-wear format. Features: -When microwaved, the cap delivers moist heat therapy that promotes blood flow, eases muscle tension, and provides warmth for comfort. Ideal for those experiencing sinus discomfort or general head and scalp relaxation. -The cap can be placed in the freezer to provide cooling relief that helps reduce swelling, ease sinus pressure, and numb pain. Cold therapy is especially effective for migraines and tension headaches, offering immediate, soothing relief. -With puncture-resistant material, this cranial cap is built to withstand repeated use without leaking. The durable design ensures that it remains safe and mess-free even if punctured, making it a reliable tool for ongoing therapy. -The Large/X-Large size is suitable for those with larger head measurements, ensuring effective coverage over critical areas like the forehead, temples, and top of the head. -The cap retains temperature for 20-40 minutes per use, offering sustained relief without needing frequent reheating or refreezing.