The heat-reactive surface reveals Swirly Star designs once the mug gets warm. The ceramic cup will go back to its original black outside and white inside when it cools down. It comes in one size – 11oz (0.33l) – plenty for that big morning cup of coffee.
.: Ceramic material with black exterior and white interior .: Lead and BPA-free .: Heat-reactive design .: Glossy finish .: Hand wash recommended
