Rae Dunn Welcome to Hogwarts color changing Slytherin mug, NWT

This (NWT) Rae Dunn Black Harry Potter mug adds a touch of magic with its color changing ability. The front of the mug has the phrase "Welcome to Hogwarts" and changes to reveal the house of slytherin. The back side of the mug changes to reveal Slytherin when hot liquid is poured into the mug. This mug NOT dishwasher or microwave safe. Hand wash only, this mug is not microwave safe. This special mug is a true must have for Harry Potter fans and mug collectors alike. Thanks for visiting!