The ZIG Memory System Calligraphy Marker possesses unique qualities for every crafter. With the unique chalk-like qualities, you can produce personal papercraft projects of the highest quality. This twin-tipped marker is so versatile in use that you can not only create beautiful lettering styles for both titles and journaling on your scrapbook pages and cards, but also chalk-like effects on dark colored papers. Each marker features a 2mm and 3.5mm tip, has pigment ink and is acid free with archival quality.