Herbin ink cartridges contain premium quality, water-based inks that have been specially formulated for writing with fountain and rollerball pens. Manufactured using all natural dyes, they are non-toxic, pH neutral, smooth flowing and fast drying. These universal snap-in cartridges are manufactured to the International Standard. Will fit most fountain pens and rollerballs, except Waterman, Sheaffer, Parker, Lamy, A.T. Cross, Pilot/Namiki, Sailor, Platinum, Aurora, Fultz and Nakaya. Each tin contains 6 cartridges.
Speedball ink cartridges feature quality, free-flowing ink developed for use with Speedball Calligraphy Fountain Pens to provide a superior writing experience that allows artists to create beautiful results easily.