This Sleep Eye Mask is made of polyester and cotton fabrics. Soft, comfortable, lightweight, convenient and useful. Whether at home, in the office, at school, in a car or on a plane, you can always get rid of harsh dazzle or bright light and enjoy the blackout as well as an undisturbed nap with this product. Also it features an elastic strap to easily adjust your head. Your perfect break buddy. Multicolor options and customized logos are available.