product description: It will reach 6/4 different colors of solar uv protective mask in 10-20 days: it can effectively prevent the damage of dust, sunlight, saliva, ultraviolet rays, and have a certain blocking effect on dust Various ways of use: In winter, as a lightweight neck guard, face mask, beanie, headscarf, headdress, pirate hat or balaclava. In summer, shake your headdress to drain away sweat and protect yourself from the sun and wind Soft material: our headband is made of 95% polyester fiber and 5% spandex microfiber, which has high UV protection, and the fabric has stretchability and breathability, allowing you to Comfortable anywhere. Dimensions: Natural length and width are 17.75 inches and 9.75 inches, respectively. The highly stretchable circumference is about 20-24 inches. They are durable and flexible, making them ideal for heads of all shapes and sizes. Unisex design: The helmet lining is suitable for all outdoor activities, including cycling, motorcycle, running, mountain climbing, hiking, skiing, snowboarding. feature: Material: Fiber Dimensions: Natural length and width are 17.75 inches and 9.75 inches, respectively. Highly stretchable circumference is about 20-24 inches packing list: 1/6pcs face mask