Description Colorverse Office Series Permanent Navy fountain pen ink is a muted shade of dark blue that is water-resistant that comes in an adorable 30ml glass bottle. Colorverse Basic Edition Office Series ink is designed for use in every day life - in the office, at home, for personal use or for creative use. Colorverse fountain pen inks are made in South Korea. 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.