The image becomes visible if you pour a drink hotter than 36 degrees Celcius (96.8 Fahrenheit).
The mug is microwave safe, but should be protected from direct sunlight. It's better to wash it by hand, as the sensor can be harmed in the dishwasher.
Capacity: 300 ml (10,1 fl oz)
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- February 12, 2016 - February 17, 2016
- 30 day returns. View details