Using this Dragon Ball Super mug is easy. Just pour your hot or cold drink into it and watch the design transform. When it comes to cleaning, remember to only wash it by hand to keep the heat - sensitive design in good condition. Don't put it in the dishwasher as the high - pressure water and strong detergents may damage the mug. Store it in a cool, dry place away from direct sunlight to avoid any potential fading of the design.