Heat sensitive mug lets you know that your beverage is still hot or not !!
Just add your favorite hot beverage and watch these mugs morph right before your eyes. Made of thermographic inks, these mugs react to heat, revealing new and fun artwork. As your beverage cools, the graphics change back to their original state.
8.3 cm x 12.7 cm x 9.5 cm
Usage : Home, Office, Gift Idea, Coffee Cup
Includes one super cool mug for college - heat indicator
When hot, the battery indicator changes color
When cold or empty, the battery indicator appears depleted
Hand wash only, Unsuitable for Dishwasher or Microwave use.