You'll be ready to shock and awe all your friends when you don the mysterious and macabre moving mouth mask from the masters of horror at UV Crypt Keeper. Yell "Boo!" with a whole new level of intensity! (If you dare!) The mask adds an extra level of spookiness to every Halloween costume, or you can simply wear it around the house to bring the creeps to your living room. Scare your guests silly with a scream-worthy night of fun!