Octopus Write & Draw drawing ink, waterproof ink for pen, pen and brush, vegan Octopus Write & Draw inks are unique, smudge-proof and waterproof writing and drawing inks in their wide range of colors, which have been developed for everyday use in a fountain pen, and by graphic designers, illustrators, calligraphers and artists also love using calligraphy pens, glass pens or brushes for writing, sketching, Drawing and coloring can be used. Each of the 38 brilliant shades impresses with its intense color power thanks to its high, balanced pigmentation. In addition to deep black and various shades of gray, the extensive color palette also includes a particularly opaque white, which can be used on dark surfaces.