Custom Design: Displays Hello Kitty's face with a hidden outline pattern that appears with hot liquid, offering a fun and interactive experience Dimensions: Measures 3.46" x 3.27" x 4.6" for the ideal size and a comfortable fit Officially Licensed: Genuine Hello Kitty merchandise, ensuring authenticity for fans High-quality Materials: Crafted from durable stoneware for long-lasting use Dishwasher Safe: Safe for both microwave use and easy cleaning in the dishwasher Add a touch of Hello Kitty to your daily routine with this black 16 oz ceramic mug. Featuring an adorable image of Hello Kitty's face, this mug reveals a hidden surprise. When hot liquid is poured in, outlines of Hello Kitty's face appear. Made from high-quality stoneware, it measures 3.46" x 3.27" x 4.6" and is microwave and dishwasher safe for easy use and cleaning.