Are you a Stark or a King in the North! If so this Officially Licenced HBO Game of Thrones House Stark heat change mug is for you, when this grey ceramic mug has hot liquid poured into it, it reveals the Stark Sigil a dire wolf in each circle and in the square it reveals the House Stark name and words “Winter is Coming”.  The band of circles around the top and bottom of the mug also reveal dire wolves when hot. As the mug cools down it returns to its original state. Approx 11oz