It's a Sign Color Morphing Mug, 11oz

Need a morning reminder to follow the sign?  This mug changes color and will be the gift that keeps on giving. The heat-reactive surface reveals the special logo designed just to remind you.   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