Nature Sketch offers a multi-purpose and versatile paper option that is compatible with pencil, pen, ink, markers, pastels, charcoal, watercolor pencils, and light washes of acrylic. The sketchbook features cream-colored paper with a medium tooth surface and features an elegant foil-stamped cardstock cover. 25% cotton content Acid free 130 lb paper Heavyweight chipboard backing 50 pages (except 18"x24" which has 20 sheets)