100% Silk; Hook and Eye closure; Machine Wash Material: This balaclava is made of 100% Soft Ice Silk, which is the best recommended material for their soft and light weight. The moisture wicking fabric transfers heat and humidity away from your body and outside of the seamless bandana, keeping you cool. UV Protection: Protect your skin from being over exposed to the harmful rays of the sun. The harmful ultraviolet rays will be blocked under the burning sun when going out for fishing, hunting, cycling, motorcycling, running, or other activities Multi-function: It can be used as a headband, cap, beanie, neck gaiter, wind or dust screen, balaclava, pirate-style cap, scarf or a helmet liner, a yoga session, fashion and much more. It’s also perfect for various sports and outdoor activities: running, hiking, walking, cycling, motorcycling, fishing, hunting, etc Size: Natural length and width: 19.3inch x 9.8inch. They are durable and stretchy, great fit for heads of all shapes and sizes, keep hair out of the face in sports, you actually look better after wearing them We have several choice for your to match your own style. Also, they can Machine wash in cold water, air dry but do Not Bleach.