Freddy is back for another nightmare! Featuring Freddy Krueger himself, this mug showcases "A Nightmare On Elm Street" highlighted amidst fiery flames. Pour your favorite hot beverage into this Morphing Mugs® Heat-Sensitive Clue Mug, and watch as fire engulfs the mug, revealing a hidden image. Key Features: Officially Licensed Crafted from ceramic for durability and heat sensitivity Heat-activation triggers the hidden image to appear 11oz Designed and printed in the USA for quality assurance Authentic Morphing Mugs™ heat-sensitive mug Please note: *While this mug is dishwasher and microwave safe, for the longest lasting and highest quality product, we recommend hand washing. About Morphing Mugs: At room temperature, Morphing Mugs Heat-Sensitive Mugs appear to be black at room temperature. When you pour your favorite hot liquid into the drinkware, watch as the hidden image magically appears!