Monster MayhemWhy limit monster appreciation to one month of the year? Display your good taste whenever you feel like letting your inner ghoul out to play.Monster Collage Glow in the Dark Graphic T-Shirt | Halloween Shirts After being exposed to a bright light, the images will glow in the dark. Monsters know how to be loyal to a cause. Product DetailsShow off your fandom with an awesome, officially licensed Glow in the Dark Monster Graphic T-Shirt! You'll never find anyone more determined than Dracula when it comes to finding delicious blood, or more singleminded than the Mummy about cursing anyone who disturbs his tomb.