Watch Titan Eren appear on this magic mug from Attack on Titan. Every morning, you can see your mug change dramatically when you pour your hot chocolate, tea, or coffee, revealing a captivating design that brings your favorite anime to life. Crafted from durable ceramic in a generous king size (460ml), this heat-change mug is perfect for daily use—just remember it’s not suitable for microwave or dishwasher. Packaged in a stylish window-box, it makes an ideal collectible for fans and a unique gift. Experience the perfect blend of function and fandom with Senpai & Co., your trusted source for anime-inspired merchandise.