Pirate Software Color Morphing Mug, 11oz

The heat-reactive mug reveals Thor's face once the mug gets warm! The ceramic cup will go back to its original black outside and white inside when it cools down. Perfect for that big morning cup of coffee!

.: 11oz (0.33L)
.: Ceramic material with black exterior and white interior
.: Lead and BPA-free
.: Heat-reactive design
.: Glossy finish
.: Hand wash only