Sakura Pigma Brush pens and markers. Expect archival performance from this flexible brush style nib. Sakura Pigma Brush marker is capable of drawing very fine lines or broad strokes depending on the pressure applied. Waterproof, chemical proof, fade resistant, will not smear or feather when dry. Use these art pens for graphic artwork, calligraphy, rubber stamps, fabric projects, awards, certificates, and more. AP non-toxic, acid-free, archival. Sakura Pigma Brush markers.