Mug For Superheroes: Watch with amazement each time you fill this 300ml (10.1fl oz) ceramic mug with your favourite hot beverage. The Marvel logo will appear when hot and then fade away as it cools to reveal some of the Marvel superheroes we have all come to love. Practical and Collectible: Marvel fans and comic lovers of all ages will love this amazing mug. Supplied in a full-colour branded gift box it makes the perfect present and collectors of official Marvel merchandise will welcome this unique Heat Change Mug into their collection of memorabilia. Hot or Cold: As your hot drink cools down the mug will revert to its original look ready for you to enjoy the amazing transforming action the next time you add a steaming hot brew. This awesome mug is sure to become a firm favourite used again and again. Fun gifts for fun people: For those looking for cool stuff and all things geek, crazy, and unique, we are proud to create top selling toys, mugs, collectibles, and presents that make people smile Designed in the UK: Our officially licensed products are designed responsibly in the UK by Paladone, the award winning, global selling, consumer products company.