Step into the wizarding world with this ceramic coffee mug featuring iconic Harry Potter imagery. Made in China and branded by Warner Bros., this mug is perfect for any fan of the franchise. With a heat-changing design, the mug gradually transforms to reveal a magical scene when filled with hot liquid. This collectible item is a must-have for any Harry Potter enthusiast and is sure to impress. Sorting Hat reveals Ravenclaw when hot. 20 oz mug