Additional Details ------------------------------ Product description: You can try three different Kuretake inks with this set! Sumi Ink and Black Ink utilize the original concepts found in the roots of traditional sumi ink production where Kuretake originated. Both Sumi and Black ink are smudge-proof with alcohol-based markers. ZIG White ink is highly opaque and ideal for highlights or corrections; the white ink covers other markings well and shows up distinctly on dark surfaces. This package contains.37oz of sumi ink.67oz of black ink and 1.05oz of white ink. Conforms to ASTM D 4236. Imported.