Reversible muffler/neck warmer for both men and women. Button design provides warmth and comfort. Soft and gentle on the skin, perfect for commuting, the office, and going out. 1. You can use it in various styles, such as fastening the buttons for a neat look, or opening it up to wear as a warm and comfortable neck warmer. 2. Made with carefully selected fabric, it's a soft and skin-friendly scarf. With its heat retention and cold protection, it's ideal for commuting and outdoor activities. 3. Lightweight and comfortable to wear, it's sized to fit neatly in your bag. It's useful in both the office and outdoors. 4. The unique brushing process creates an air layer on the fabric surface, increasing heat retention. 5. When washing, be sure to use a laundry net and follow the attached washing instructions. If you are concerned about the smell when using it for the first time, please air dry it in a cool, well-ventilated place before use.