Our Christmas Face Mask is made of Cotton. The size is 8.7"L X 5.3"H. It is ideal for long-term wear and is perfect for various outdoor and indoor activities, cycling, camping, traveling, climbing, skiing, carnival, sports, daily, running, biking, hiking, and other outdoor activities. elastic earloop with adjustable knot. Our comfortable and soft mask can be used repeatedly, outdoors and in tourism. It's a great gift for your family and friends.