Don't give the same gift again. Change it up this time around! No really...

Here's how it works:

. The heat-reactive surface will reveal your the design once the mug gets warm. The ceramic cup will go back to its original black outside and white inside when it cools down.

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