Sulfite, tub-hard sized, artist quality, true two-ply pasted, drawing Bristol board with a neutral pH for the best possible archival characteristics. Both sides of sheet are identical and may be reversed for economy. Smooth plate finish has a smooth texture designed for pens, pencils, markers, ink tools, and airbrushes, and is ideal for fine detail work. Vellum finish has a toothy, coarse surface ideal for friction-based media such as graphite pencil, colored pencil, pastel, charcoal, dry wash, and light washes. Xerographic compatible. 100 lb. 12-sheet pad.