The 2017 Zak Designs Batman Gotham Skyline Bat Signal Heat Color Changing Black Mug is a unique and collectible coffee mug featuring iconic characters from the Batman franchise. Made of ceramic and porcelain, this mug is designed to change color when hot beverages are added, revealing the Gotham skyline and Bat Signal. With a capacity of 10 fl oz and dimensions of 3.25 inches in diameter and 4 inches in height, this mug is both practical and visually appealing for fans of Batman and DC Comics. Additionally, it is microwave and dishwasher safe for convenience.
