SKU: CNDAN122-99 Zig Cartoonist White Ink Refill Cartridge A semi-opaque white ink excellent for highlights or for use on colored substrates. A single layer of ink will create a semi-opaque stroke, while subsequent layers can achieve a fully opaque line. This water-based pigmented ink is water-resistant and compatible with alcohol markers. To use, twist off the empty cartridge and twist in the new cartridge until you hear or feel it lock into place. Activate the pen by squeezing the sides of the barrel to get the ink flowing. Made in Japan. Non-toxic, Conforms to ASTM D4236