Fill this large 18 1/2 oz. ceramic mug with your favorite hot beverage and be amazed as the outside changes to reveal incredible graphics of dangerous, psychotic supervillain Harley Quinn. Once the mug cools down it will return to its original state so you can enjoy the transforming properties the next time you have a steaming hot brew. As a practical, everyday item, this oversized mug will be a firm favorite used again and again at home or take it to work and amaze your colleagues with the transforming heat-sensitive graphics. This DC Comics Harley Quinn Heat Change 18 1/2 oz. Mug will make a great addition to any collection of memorabilia. Hand wash only. Not dishwasher safe. Do not microwave.