Harry Potter Morphing Mugs heat-sensitive mugs feature images of Harry Potter, Ron Weasley, Hermione Granger, the Marauder's Map, Hogwarts Houses and more!

Morphing Mugs heat-sensitive mugs are 11oz mugs that are black at room temperature but reveal a vivid, full-color image when hot liquid is added. Whether you drink coffee, hot chocolate, or tea, show your fandom of your favorite movies and characters, or enjoy one of our Trend Setters Originals, with these Morphing Mugs heat-sensitive mugs.