Harry Marauder Map Color Changing cup
It's Heat Sensitive mug. It will change it's color and the design will be visible as soon as you pour in any kind of hot beverage & It will turn black as it cools down.
(1)Due to various types of computers ., the actual color of the item may be a little different from the picture.
(2)Avoid Microwave and dishwasher safe, Wash with hand Only