Enjoy your favourite drink with this mug, The Batman, by ABYstyle! The sky over Gotham turns red as the Dark Knight of the DC Comics Universe hunts for villains. Beware of who will stand in his way. Discover our range of heat change mugs!!!!! Every morning, you can see your mug change dramatically when you pour your hot chocolate, your tea or your coffee. Design changes when you pour hot liquid King size (460ml) Not suitable with microwave and dishwasher Material ceramic