Description A blister pack of 5 Skrip Sheaffer Brown fountain pen ink cartridges. Sheaffer fountain pen ink cartridges are proprietary, and only fit Sheaffer fountain pens that accept cartridges, except the Sheaffer VFM fountain pen, which takes standard international cartridges. 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 $50 for US customers, and for orders over $250 for our Canadian customers.