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.