Pour hot water to see beautiful butterflies gain their color. The silhouettes transform into classic naturalist illustrations. This heat-transforming mug reveals 18 different species (common and Latin names on the bottom). Witness a beautiful metamorphosis every day! This ceramic coffee cup comes with a comfortable handle. Heat activated color changing mugs are microwave safe, but not dishwasher safe. Hand wash only. Don't soak.

• Microwave safe.
• Not dishwasher safe. Hand wash only. Don't soak. 
• Capacity 14 oz