1. The outer layer of the earmuffs is made of high-quality polyester fiber fabric with clear texture. The inner layer is made of soft wool material, which is comfortable to wear and has strong warmth retention. The edges are smooth and the stitching is fine, which can keep the earmuffs in good condition. These earmuffs are in adult size. 2. These earmuffs are very suitable for the cold winter. Whether you are skiing, cycling, riding a motorcycle, hiking, hunting, shopping, traveling, commuting or doing other winter outdoor activities, our earmuffs can keep your ears warm. 3. These solid-color earmuffs are simple and fashionable, suitable for both men and women, and easy to match with clothes. They are not only perfect winter accessories, but also ideal gifts for family and friends on festivals such as Christmas, New Year, and birthdays. 4. Prompt: Please make sure your order is from Ibluelover, as we have never authorized any other sellers. This is an exclusive product of IBLUELOVER. If you have any questions, please feel free to contact us. Customer satisfaction is our top priority.