Description Sheaffer Blue fountain pen ink is a dark shade of blue. The blister pack contains 5 Sheaffer fountain pen ink cartridges, which are proprietary and only fit Sheaffer fountain pens that accept Sheaffer cartridges. Sheaffer ink used to be called Sheaffer Skrip ink, is made in Slovenia, and is a free-flowing, easy to clean ink that is a good choice for vintage and older pens that may be at higher risk of clogging, as well as modern pens of course. Having trouble deciding between colors? Use our Ink Comparison Tool to quickly and easily view different colors side by side. We offer Free Shipping on all orders over $59 for US customers, and for orders over $250 for our Canadian customers.