This DC Comics Harley Quinn Heat Changing Mug is as changeable as the fantabulous anti-hero herself! When cold, the mug has a black base colour, dotted with small heart and diamond cut-out designs which provide a sneak peak at the design beneath. When hot liquid is poured into the mug, it transforms to reveal vibrant wraparound artwork of Harley Quinn which fades as the drink cools. The mug is packaged in a printed gift box, and would make for a striking addition to any Harley Quinn display.