Aguamenti! Show your support for Hufflepuff with this coffee mug collectible. When you add your hot drink, the mug shows the Hufflepuff yellow, complete with an outline of a badger magically created with water and the Hogwarts crest. The exterior of this officially licensed mug transforms from black as hot liquid is added, revealing the hidden image in full vivid colors. While this mug may be used in the dishwasher or microwave, for the longest-lasting, highest quality product, strongly recommend against it.
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