A box of 10 Platinum Pigment Blue fountain pen ink cartridges. Platinum fountain pen ink cartridges are proprietary, and only fit Platinum fountain pens that accept cartridges. Having trouble deciding between colors? Use our Ink Comparison Tool to quickly and easily view different colors side by side.

Color Group - Blue Quantity per Pack - 10 Cartridge Type - Proprietary Special Properties - Pigmented, Water Resistant