Description TWSBI Red fountain pen ink is a bright shade of red that leans toward pink, and is packaged in a 70ml frosted glass bottle with a plastic insert to aid in filling your pen when the ink level gets low. 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. Please note that items in the Outlet are a final sale.