Blue-Black Bottled Ink by Diamine is non-toxic water-based fountain pen ink that can be used with any fountain pen and will not clog your pen. A secret ingredient has been added by Diamine - producing smooth flowing, vibrant colors that glide across your paper surface. Available in over 200 variations, you are sure to find the perfect color for your writing needs!
Volume: Ink Cartridges (20 ea)
Color Family: Blue-Black