International standard, "short".
- Snap in “International Standard” cartridges fit many fountain or rollerball pens that use fountain pen ink. (Excludes Sheaffer, Parker, Lamy, A.T. Cross, Pilot/Namiki, Sailor, Platinum and Aurora)
- Non toxic and pH neutral
- Lightfast - Fast drying
- Water based, all natural dyes, flows smoothly
