YASUTOMO-Calligraphy Chisel Tip Markers. These Chisel tipped Calligraphy markers contain a generous ink supply for multiple projects and feature sharp durable nibs for excellent results, are odor free, contain no xylene, have water-based pigment, are non-toxic and acid free. For elegant writing on invitations, announcements, greeting cards, signs, awards and certificates on light or dark paper: also writes on most glossy papers. Ink is water resistant when dry and conforms to ASTM D4236. This package contains three black inked markers: 2.0 (fine), 3.5 (medium) and 5.0 (wide). Imported.