The Morphing Mugs "The Dark Knight" by Blend Cota is an 11-oz. heat-sensitive mug that features a design inspired by the iconic movie "The Dark Knight." As the mug is filled with hot liquids, it transforms into an action figure of Batman, adding an exciting and unique touch to your morning cup of coffee or tea. This innovative product combines the world of movies and action figures with the functionality of a regular mug, making it a must-have for fans of the film and collectors of action figures.