Description A blister pack of 5 Sheaffer Skrip Mixed Color fountain pen ink cartridges. The colors include Red, Purple, Green, Blue and Black. 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.