Buy three fan-favorite Harry Potter mugs and save! This mug set is perfect for any MUGGLE™ or a wizard and consist of our exclusive MISCHIEF MANAGED™ transforming mug (add hot water and the text changes from "I Solemnly Swear the I am up to No Good" to MISCHIEF MANAGED™"), the Hedwig scultped mug, and the cauldron sculpted coffee mug. This magical set will have you brewing up your favorite magical potions, concoctions, and elixirs, and when you're done mixing up some Polyjuice Potion, you can even make muggle things like tea, coffee, hot chocolate, soups, and more. These mugs hold 11 - 12 ounces of your favorite beverage. Important: the MISCHIEF MANAGED™ transforming mug is not microwave safe and is not dishwasher safe. Hand wash only with non abrasive cleaner and soft sponge.