Yupo Paper FU2R Sumi Ink, 2 oz Go to amazon.com Related posts Top 16 best calligraphy ink red: Which is the best one in 2022? FeatureYasutomo-Sumi Ink: RedFormulated for Sumi painting and calligraphyThis package contains 2oz of permanent Sumi ink DescriptionYasutomo-Sumi Ink: Red. Formulated for Sumi painting and calligraphy. This package contains 2oz of permanent Sumi ink. Non- toxic. Imported.