Using this mug is easy. Just pour your hot or cold beverage into it, and watch the design change right before your eyes. It's great for your daily coffee, tea, or any other drink. When it comes to cleaning, don't use a dishwasher. Instead, wash it by hand with mild soap and warm water. This will help keep the heat - sensitive design in good condition. After washing, dry it with a soft towel. Store it in a safe place, away from sharp objects that could scratch it. With proper care, this mug will bring you joy for a long time.