Brand: Kokkai Sumi Sizes: 1/2-oz, 1-oz, 4-oz, and 8-oz Color: Black Description: Kokkai Sumi is now offering a palette of 36 colors. The formulation has been refined to incorporate only premium-grade pigments. We've created a selection of the 36 most frequently utilized hues, which you can blend to create any color you envision. These inks also have an easy-peel tab for your ink seals and a new precision twist top.