The ZIG Black Ink comes in a 60ml container, and is a synthetic resin type ink which dries with a deep, matte black finish. Fitted with a wide mouth opening, you can use your own preferred brush to dip and paint, line illustrations, or for tradional types of calligraphy. Once dry, the Black ink is smudge proof and thus can be combined with watercolor or alcohol markers. The ink is especially resistant to fading when erased over.