To encourage even more refilling we have now released our next generation Copic Ink, the new design enables quick and clean refills with precision and control, the long nozzle also multitasks for easy ink art application. Copic Ink is water-free and quick-drying and can be used for airbrush work or classic sketching and drawing with pen and brushes.Details:Yellow GreenInk is water-free and quick-dryingTranslucency and controlQuick and easy refillsDyed caps with engraved codesAlcohol dye ink