New Ultra Thin SKi Bike Football Helmet Reflective CS Face Mask Sports Balaclava Gently hand wash; Do not machine wash, rinse, wring Before the first wash, please be separated with the other clothes, and then cleaned according with conventional methods In many worn outside the movement, including: skiing, hiking, motorcycles, bicycles, running, hiking, tennis etc. Is non-bulky and easy to store Size:one size: 43*25 cm (16.9*9.8 inch)