Commercial license: You can print and sell this model. The Alien mask eyes has hexagon grid holes where one can see clearly and two oval holes are provided on the back where an elastic/ velcro can be placed, you can also use a rubber band / old face mask's ear elastic for it, anything works. Two holes also provided at nose for easy breathing. The mask is Unisex and can be scaled form adult to kid size and can used for Halloween, fun and wall art.