This color changing mug is practically magic! Add any hot liquid to this magic mug and presto change-o! Mug changes from plain black mug to reveal a special photo, custom message or cool design. Perfect for your mid-morning pick me up a the office or for your decaf before the gym. This 11 ounce cup is an easy go-to mug for everyday use. Each of our beautiful mugs are printed by professionals in the USA with Lead-Free design for your safety. Whether you're drinking coffee, tea, or hot chocolate, this mug is perfect for you and your family. Our premium quality mugs are constructed of heat resistant ceramic. Choose your favorite coffee mug for women and men. Choose a quote mug for your best friend, a religious mug for your family, or a funny mug for your coworker. Whatever your hobby or passion, we are bound to have a mug for that. Hand wash only and do not microwave to preserve the color changing coating.