STAEDTLER-Ma by um Metallic Gel Ink Pens. 8 intense colors that are acid-free with a 0.8mm point. Features: rubberized grips; scratch free; acid free; smear proof; permanent; quick drying; water proof; glides easily on light and dark colored papers and the intense colors shimmer. Colors: green; blue; purple; red; pink; bronze; gold and silver. Package size: 8.25H by 5.5W inches. Imported.