For a flawless performance choose Pelikan Edelstein ink cartridges for fountain pens. A special ingredient insures smooth flow from the fountain pen to the page. These ink cartridges are designed for use with all cartridge-style fountain pens and come in a metal tin for convenient storage and transport. Made in Germany, Pelikan Edelstein ink cartridges feature beautiful jewel-like colors. Onyx, 1.4Ml, 6 cartridges.