Description A 3ml sample of Kaweco Ruby Red fountain pen ink, labeled with the name of the ink brand and color, in a plastic ink sample vial with a dip at the bottom to allow you to easily get every drop. This bright, deep shade of red ink can be used in any fountain pen that uses a converter. Kaweco inks were created by experts trained in the specialty niche of ink chemistry, and fountain pen users who prefer the expressive flow of a fountain pen will really appreciate this superior ink. 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.