Ernesto Heat Changing Mug World Map

This Ernesto heat changing mug features a world map design that reveals itself when filled with a hot beverage. Made from high-quality porcelain, this mug is both stylish and functional. The design transforms from a white mug to a black mug with a world map design as it heats up. The mug is dishwasher and microwave safe, making it a perfect choice for everyday use. Make your morning coffee or tea routine a little more fun with this unique and cool mug. It's also a perfect gift idea for any coffee or tea lover!