Hedwig and Harry are magically adorable on this Morphing Mugs™ Heat-Sensitive Mug. Add hot liquid and the officially licensed, Harry Potter image appears. Daydream about your own Owl Post delivery over coffee. Perhaps your Hogwarts letter is just a little late. The exterior of this officially licensed 11oz mug transforms from black as hot liquid is added, revealing the hidden image in full vivid colors.

The exterior of this officially licensed 11oz mug transforms from black as hot liquid is added, revealing the hidden image in full vivid colors.

• Officially licensed color changing, heat-sensitive ceramic mug
• Heat-activation reveals hidden image
• 11oz in size, weighs 1lb
• Designed and printed in the USA by Trend Setters Ltd. Shipped from USA
• Authentic Morphing Mugs™ heat-sensitive mug

*While this mug may be used in the dishwasher or microwave, for the longest lasting, highest quality product, we strongly recommend against it.