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.