Neck tube/face mask with ear loops: It can effectively prevent exposure to dust, sunlight, saliva and ultraviolet rays. One size fits most (size: 17.7 x 9.3 inches). Face mask bandanas feature a super stretchy fabric that is suitable for most head sizes (adults and children). Lightweight and breathable: The moisture-wicking material transfers heat and moisture away from your body and outside the seamless headscarf, keeping you cool. Quick-drying fabric technology allows your neck tube face mask to dry in minutes instead of hours. Perfect sports accessory: The bandana neck gaiter is suitable for all outdoor activities, including cycling, motorcycling, running, climbing, hiking, skiing and snowboarding. NOTE 1. The size of the product is measured manually, and there will be an error of 2-3mm due to factors such as different measurement tools and measurement methods. 2. This product is all taken in kind, but due to differences in photography, lighting, color deviation, and personal understanding of color. As a result, there may be some color difference between the actual product and the photo, and the color is subject to the actual product. 3. Please take good care of our products