Not everyone can be a superhero, but you must have a superhero in your heart! Take this mug and give it to your superhero. Heat Sensitive Color Changing Mug Before adding hot drink, the mug looks like a normal black mug, when pour in hot liquid, it will turn white and appear the Superhero. Magic cup to surprise you In the morning, take our heat sensitive color changing mug and pour your regular hot coffee, tea, hot milk or hot chocolate, and the COOL SUPERHERO will appear, bringing you surprises and starting a pleasant day. In order not to scratch the pattern on the cup, it is not recommended to brush the surface of the cup with brush. This mug is the heat color changing mug, the microwave may destroy the pattern outside the cup. Give this cup to the superheroes in your heart, or the boys who like Superheroes.Is a perfect gift for any holiday! Item name: Color Changing Mug Material: Ceramic Size: 3.7 inch x 3 inch Volume: 11 oz(350ml)