To use this Harry Potter breakfast set, simply place your cereal or other breakfast items in the bowl and pour your favorite beverage into the mug. For cleaning, it's best to hand - wash both the mug and the bowl with mild dish soap and warm water. Avoid using abrasive cleaners as they may damage the beautiful Harry Potter designs. When not in use, store the set in a safe place away from direct sunlight and other potential sources of damage. This way, you can enjoy your magical breakfast set for a long time.