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Discover the thermosensitive Harry Potter mug that transforms with heat. Add a hot drink and watch as its black design magically changes to reveal the colors and emblem of your favorite house. The thermal effect activates the hidden illustration, showing in detail the official shield and characteristic colors when pouring coffee, tea or hot chocolate. A surprising experience with every use. Available in the Hufflepuff, Ravenclaw, Gryffindor and Slytherin houses, so you can choose the one that best represents your personality within the magical universe. Ideal for everyday use at home or in the office, combining functionality and design inspired by the Harry Potter saga in a practical and original format. Perfect for gifting or collecting Get your favorite home or gather all four mugs and complete your official collection inspired by the wizarding world.