Description Sailor Dipton Dark Cave Sheening ink is a dark shade of teal with a burgundy sheen, designed for dip pens only, and NOT for use in fountain pens. The Sailor Dipton Sheening inks come in the standard Sailor 20ml glass bottle. To best experience these inks, these duo-chromatic colors shift based on the angle and lighting of your writing. 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.