Baby Doll Adult Vinyl Mask. Spook your friends with this scary baby doll adult costume mask. This freakish looking baby doll costume mask is new from the our essential mask collection. Be different, be unique, be a horrifying baby doll with this awesome and wicked cool baby doll adult costume. This is one baby doll you would not want to mess with. You will make the babies cry with thie twisted looking baby doll costume mask.