Butterflies Heat-Changing Coffee Mug

Pour hot water to see colorful butterflies appear. Cool silhouettes transform into classic naturalist illustrations. Our heat-transforming mug reveals 18 different species (common and Latin names on the bottom). Witness a beautiful metamorphosis every day! 

14 oz. ceramic mug

Heat activated color changing mugs are microwave safe, but not dishwasher safe. Hand wash only. Don't soak.