Morphing Mugs Harry Potter Hogwarts Magical Marauder's Map Heat Reveal Ceramic Coffee Mug - 11 Ounce (Black and White Reveal)

Learn the location of every inch of HogwartsTM with this Morphing MugsTM heat-sensitive, color changing mug. This collectible mug features the Marauder's Map with a special dark colored design. Whether your drink of choice is coffee, tea, or hot chocolate, the exterior of this 11oz mug transforms from black as hot liquid is added, revealing the hidden image and assuring your mischief stays 100% managed. PLEASE NOTE - Official Morphing MugsTM sold on Amazon.com should only ship from the USA. Other mugs may be counterfeit. While this mug may be used in the dishwasher or microwave, for the longest lasting, highest quality product, we strongly recommend against it.