To use this mug, simply pour your favorite hot or cold beverage into it. It's safe to use in the microwave for quick heating and can be put in the dishwasher for easy cleaning. Just make sure not to use it with extremely high - powered microwaves for a long time as it may affect the print. When washing by hand, use mild dish soap and a soft sponge. Store it in a dry place away from sharp objects to prevent scratches.