Tempt Batman out of the shadows with a good brew, thanks to this DC Comics Batman Heat-Activated Color-Change Mug! Perfectly suited to fans of the Caped Crusader, the mug sees the comic book hero emerge from the darkness whenever a hot drink is added. With a 10-ounce capacity and black heat-changing decal, it's a terrific gift... even for the Dark Knight! Hand wash only. Not dishwasher safe. Do not microwave.