Scottsdale Sister Cities Color Morphing Mug, 11oz

The heat-reactive surface reveals our custom 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