Opaque Water based Poster paint, ideal for posters, menu boards and sign writing. Highly opaque pigment ink with superior water and fade resistant performance suitable for use on card, metal, plastic, glass, wood, rubber, stone, etc. Allows overpainting without bleed-through. Easily washes off non-porous surfaces. Acid free. Writing widths: 6.0mm with round nib. Ideal for medium text, detail and letter-depth shadows.