Each package comes with 2 ink cartridges, in your desired colour and fits all Platinum fountain pens.
The Carousel Inkwell
Graf Von Faber-Castell Indelible Bottled Ink
J. Herbin 50 mL Bottled Ink - Noir Abyssal
Ferris Wheel Press 38ml Bottled Ink
Ferris Wheel Press FerriTales Bottled Ink