Strathmore's 100% cotton Sequential Bristol Boards are perfect for pencil, colored pencil, sketching sticks, and specialty pens and markers. The Plate Surface has an ultra-smooth finish that is ideal for detail work using traditional pen-and-ink tools, specialty pens and markers, and airbrush. The Semi-Smooth Surface is slightly textured making it well-suited for pencil, pen-and-ink tools, and specialty pens and markers. Pads each contain 24 sheets of 2-ply board. - Strathmore 200 Sequential Series Bristol Pad - 11" x 17", Smooth, 24 SheetsSequential Art 200 Series Bristol, 11X17 PAD - This economical 100 lb (260 gsm) bristol is acid-free and has a Smooth Surface printed with non-reproducible blue lines, ideal for comic and Manga applications.