Messrs Moony, Wormtail, Padfoot and Prongs are proud to present the Harry Potter heatchange mug by ABYstyle. With this mug, pour some hot tea or coffee, and the Marauder`s map will appear at once! Details: - Design changes when you pour hot liquid. - King size (460ml) - Material: ceramic - Not suitable with microwave and dishwasher - Packaging: PVC box.