FAQ：Other

1. Does Empty Plastic Case include a lid?
2. I noticed two different volume units (cc and ml) are indicated on the products . What would be the differences between these?
3. I have trouble refilling marker with a 200ml Various Ink bottle.
4. Is there a Copic carrying case?
5. Could you tell me a method to dilute the concentration of Opaque White?
6. My Opaque White has been crystallized. How can I return it to original state?
7. Any requirements for storing the Optional Nibs for long periods of time?
8. Please tell me the cleaning procedure for Refill Booster…