Using your personalized coffee mug is easy. Just pour your favorite hot or cold beverage into it and enjoy. When it's time to clean, you can safely put it in the dishwasher. You can also use it in the microwave to reheat your drink. However, be careful when taking it out of the microwave as it can get hot. To keep your mug in top condition, avoid using abrasive cleaners that could scratch the surface. Since it has copyrighted artwork, don't try to reproduce or alter the design. This mug was printed in the USA, so you know it's of high - quality.