Show off your love for the popular gaming series Dungeons & Dragons with this officially licensed coffee mug. This 550ml (18. 5floz) capacity black ceramic coffee mug reacts to hot liquids so just pour in your favourite hot beverage & watch as the outside of the mug changes to reveal a Beholder & other D&D creatures. Whether you go for a tall latte, a strong black coffee or refreshing tea in the morning, this mug is sure to do the job either at home or in the office. Makes a great gift for Dungeon Masters & geeks alike who will love this Dungeons & Dragons mug with its oversized design so they can play for longer before having to break for a refill, plus it is a fine piece of memorabilia to add to any Dungeons & Dragons collection. Supplied in a printed gift box. 550ml (18. 5floz) mug with heat change decal.