You've been rickrolled! The more outdated that joke meme gets, the more hilarious it is! It's a gotcha that keeps on giving. This color-changing mug is solid black until it heats up with warm liquid inside. As it warms up, the design will appear and the drinker will realize the've been rickrolled! As your beverage cools, the coffee mug fades back to black. Great gift for a Gen-Xer, or a fan of 80s music or Rick Astley! Optional personalization: you can ADD A NAME, as you can see from the last photo. Fully heated mug is white with black handle black interior. - High quality mug, great gift for everyone! - Print will never fade, no matter how many times it is washed. Note: you may be able to discern the design through the black coating. - Packaged and shipped from the USA. - Dishwasher and Microwave safe. - Shipped in a custom-made styrofoam package to ensure it arrives intact. GUARANTEED.