Lego Mask Free Printable - Two Sizes - Lego party con Imprimibles (Lego Party Printables) - This site needs translation, but still usable. I also like the mini Lego bags that can be used as belt loops.
One set of 15 Superhero party masks, one of each style shown in the photo. Each mask is made with premium felt, and has a black elastic band sewn to each side of the back. These adorable party masks a (Diy School Party Favors)