Celebrate the escape of Sirius Black from Azkaban every time you reach for your coffee with this Morphing Mugs heat-sensitive, color changing mug featuring the wanted wizard poster for the rogue wizard. The exterior of this 11oz mug transforms from black as hot liquid is added, revealing the hidden image in full vivid colors. 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.