This personalized coffee mug is easy to use. Just fill it with your favorite hot or cold beverage. You can use it in the dishwasher for a quick clean, and it's also safe to put in the microwave to warm up your drink. When handling the mug, be careful as it can get hot when filled with hot liquids. For long - term use, avoid dropping it to prevent cracks. Also, don't use abrasive cleaners that might scratch the surface of the mug.