Copic Ink 0 - Colourless Blender. The specially designed bottle comes with an extra long easy to use nozzle perfect for refilling your markers and for alcohol ink art. Available in 358 colours. 12ml bottle. Permanent, non-toxic, alcohol based ink. Consistent colour guaranteed. Refilling: Ciao: Approximately 9 times. Sketch: Approximately 7 times. Classic: Approximately 5 times