Using this personalized coffee mug is easy. Just fill it with your favorite hot or cold beverage and enjoy. It's safe to use in the dishwasher, so cleaning up is a breeze. But for the best long - term results, you can also wash it by hand with mild dish soap. When using it in the microwave, be careful as the mug might get hot. Avoid using abrasive sponges or cleaners on the mug as they could damage the printed design. This mug is printed in the USA with copyrighted artwork, so it's a special item that should be handled with care.