Who doesn't love a good surprise? With this color changing coffee mug, you're definitely in for a great one. This mug has a black matte finish when it's empty, but when it comes into contact with a hot beverage, the mug reveals an intricate print that's all yours to create.
Ceramic
Black matte finish when cold
Reveals the print when exposed to hot liquids
Blank product sourced from China
Note that in some instances the coating might not be 100% opaque and an outline of your design might peek through a little. Also, you shouldn't put vanishing mugs in a microwave or dishwasher since it can damage the coating. Note that they're also prone to scratches, so be extra careful.