COPIC MARKERS-Opaque White Pigment. This water-based pigment is used for highlight effects. Opaque white won't bleed into the base color, giving sharp line definition. It can be used on permanent ink surfaces as well as with watercolors, colored pencils and paints. It can be applied with a brush, pen, dabber, dropper and more. This package contains 1.01oz/30ml. Imported.