Gelly Roll Metallic gives a reflective sheen that is subtle in effect but with a strong colour. This rollerball gel ink pen is very smooth with a 1.0mm ball giving a 0.4mm line. Archival quality ink metallic ink – chemically stable, non-toxic waterproof, and fade resistant. No smears, feathers, or bleed-through on most papers. Writes on both light and dark papers as well as glossy and matte surfaces. Gelly Roll Metallic's shiny, polished colors write on both light and dark papers as well as glossy and matte surfaces. This archival metallic ink is waterproof, fade resistant, chemically resistant and does not bleed through most papers.