A high quality multi-ply bristol available in two surfaces/finishes. Vellum finish is excellent for pencil, charcoal, and pastel, as well as airbrush and light washes. Not recommended for traditional watercolor techniques. Also suitable for sketching stick, pen & ink, marker, mixed media, and collage. Pad measures 18″ x 24″, is tape bound, and contains 15 sheets. 2-ply Vellum (medium) surface.