Warmth Sensitive Color Changing Mug Dimensions: approx. 3.1″ diameter x 3.7″ tall, With the intention to turn on the mug the temperature of the new liquid will have to be over 70°C/158°F.
Created from Top of the range ceramic, which is sturdy and warmth-resistant, best for coffee, tea, hot cocoa, hot milk and more.
Magic Mugs are Warmth sensitive and in fact change color to show your symbol when exposed to hot liquid. When the mug is cold, apparently cast black, but if coffee (or different hot liquids) are added, the black color magically melts away to show your chosen symbol.
Top of the range porcelain mug, best for gift giving or as a different treat for yourself. it is a funny and art coffee mugs for girls, mom, dad, grandma and grandpa; Full Ingenious and special present for anyone in celebration or Christmas Day
Color Changing Mug: Wash with hand or a gentle detergent and a comfortable fabric or sponge. Get away from dishwasher and microwave oven. Do not scrub with steel balls. Do not expose it to the burning sun. Do not soak as it will also injury artwork! Do not scrape it by edge tools.Wash and dry after water vapor, stay dry.