Sweet Heat-sensing Cup
Worry or get distracted when drink hot drinks, not careful it will be scalded.This cup is this hidden do preventive measures.
Cup built-in thermal sensing components, when temperatures are high, the cup above it will bulge a, if drink from a cup, then the nose would run into obstacles can not be comfortable drinking.
When the temperature is decreased, the cup will swelling becomes flat. At this drink, you will not get in the way.