The "MEIJI NO IRO" Series is a beautiful selection of colored inks which were inspired by popular colors frm the Meiji era of Japan. Enjoy wiht glass pen, dip pen, fountain pen and Kuretake "Karapoo-pen". The color "KUROGANEIRO" is a characterized by a dark, dull, bluish green color and was used often as the color for store clerk aprons. Water-based dye, 20g 0,71floz