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What is the color changing mug?

Color changing mug is the mug which changes color. It is temperature sensor.When you pour hot coffee/tea or icy cold beverage,the design on the surface of mug will be changed to another.

What temperature that mug will be Changed?

For the hot changing mugs,when the temperature above 45 degree,the design will be changed:

For the cold changing mugs, when the temperature below 17or25 degree,the design will be changed.

How long can the color changing effect keep?

For hot changing mugs,when the water becomes cold which is lower to 45 degree,the design will go back as before.

For cold changing mugs,when the water becomes hot which is over 17 degree,the design will go back as before.

Whether the color changing mug is food safe?

Yes.the color changing mug is no harm to us, non-toxic,lead-free,chrome-free,tested according to food containers acetate soal test,achieved European standards and FDA standard.