Cur2227 Made with a special smooth cooling fabric to make you feel very comfortable while wearing it. This face mask is easy to put on and it adapts to your face shape. No hooks to worry about. Contains a soft velcro system that closes at top of the head and back of the neck for easy wear and stability. The velcro system allows for one size to fit several sizes. The smaller size fits extra small to large faces - 13 - 18 inches The bigger size fits from large to extra large faces - above 18 inches