No dipping, no converters to fill, just consistent flow from first stroke to last. Black, blue, red, and sepia provide the essential palette for formal calligraphy and decorative lettering, whether you're addressing invitations or practicing Italic scripts. Each cartridge delivers reliable performance through extended writing sessions, and the 12-pack format lets you stock individual colors based on your actual usage. Black's 30-count option serves high-volume work, while the assorted 30-pack gives beginners all four colors to explore without committing to large quantities of each.