1x ON / OFF Switch Color Temperature Cup Cofffee Cup

1x ON / OFF "switch" Color Temperature Cup Cofffee Cup
Descriptions:
- Do not believe it ? you try it!
- When put the hot water into the cup, the cup's outer wall will gradually changed from black to white,
- While black hidden it will show up "ON" in front of you , OFF will disappear.
- When the glass cooled slowly, will gradually change back to black, ON disappear again, OFF reappear.
- Receive such a wonderful gift, TA certainly happy bloom ~ ~ ~ ~
- Life of color and surprises that follow you around at any time ... ... ever-present ~ ~ ~

- Name: ON / OFF switch color temperature Cup
- Size :Diameter 8.2cm, high9.6cm, 325ml capacity
- Material: Ceramic

Package include:1x cup