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Heat Sensitive Color Changing "On/ Off" Coffee Mugs. Cups are changes Color from Cold to Hot. Made of safe ceramic material, great gift item.
Are you often feeling tired during a work time?
Now this cup is suitable for making coffee in your office.
It bring you energetic with color changing within a minute.
As a good gift for your family and friend.
Heat preservation meanwhile warm your hand.
Give you a drinking water habit which do well in your healthy.What wonderful daily tool for you. Note:Don't exposure.Don't bubble in the water in long time.Don't put it in the disinfection ark after washing.Prohibited heating in the microwave.
Color:show as pictures(Black to White).
1 x ON/OFF Color Changing Mug
Material:High quality ceramic, more healthy than plastic cups
Black mug will change white magically
Size: approx 9.6x8.2cm/ 3.8x3.2"
Black 'off ' message turn 'on' message after injected hot coffee.
Work with coffee, tea, milk at office or party, coffee house, house home