The heat-reactive surface reveals your SIMPLYstupid "COFFEE MUG" design once the mug gets warm. The ceramic cup will go back to its original black outside and white inside when it cools down. The C-shaped handle helps keep a sturdy grip.
.: 11oz (0.33 l)
.: Ceramic material with black exterior and white interior
.: Lead and BPA-free
.: Heat-reactive design
.: Glossy finish
.: Hand wash recommended