Copic markers are made to last and have been refillable since their launch in 1987. Copic Ink features a new design for a better refill experience, the long nozzle allows for quick and accurate refills and is also optimal for alcohol ink art. The translucent bottle makes it easy to measure and control the amount used. The expertly formulated inks are dye-based inks of the highest quality, odorless, water-free and quick-drying. It can be used for airbrush work as well as for sketching and classic drawings with pen and brushes.