Erasable pen Bo-Bo Zebra - Am I black or white?

Bo-Bo erasable pen with a fun Mr. Wonderful character on one end. On the opposite end, there is a plastic eraser capable of erasing the pen's ink. The ink will only be erased with this specific eraser, otherwise it is permanent. Message on the pen:
Am I black or white?
Ink colour: blue.

Practical, pretty and ready to become your favourite pen!