To use this Harry Potter cappuccino mug, simply fill it with your preferred hot or cold beverage. You can enjoy your morning coffee, cappuccino, or even a warm tea. When it comes to cleaning, it's best to hand - wash it with mild dish soap and warm water. Avoid using abrasive sponges as they might scratch the glazed finish. Store it in a dry place away from direct sunlight to keep its colors vibrant for a long time.