When hot liquid is added to the mug, the entire mug clears (including any part of the handle that gets hot) to reveal an ad for Johnson Electric. The large logo and name are on the front of the mug, with the subtext "Innovating Motion" and "One Johnson Learning."
The mug is in excellent condition and the color change is perfect.
DESIGN: 3+ Sided
THERMOCHROMIC: 1 Color
TYPE: Promotional
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