Description 3 Oysters I.COLOR.U Giwa fountain pen ink is a deep, dark shade of charcoal gray that leans toward green and comes as a 3ml sample in a plastic vial with a dip at the bottom to allow you to easily get every drop, labeled with the name of the ink brand and color. 3 Oysters fountain pen ink is made in South Korea, and the I.Color.U line of ink colors is inspired by the colors of the Korean capital city of Seoul. 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.