A 30-minute steam bath for your neck, where you can feel the comfortable warmth. Even when you feel stiff, the plentiful steam will warmly envelop your neck, loosening your mind from deep within. It feels just like a steamed towel! It warms up just by opening the package, so it's convenient to use anytime, anywhere! It can be used before going to sleep, when relaxing at home, or when traveling on an airplane. Fragrance-free.