Maruman “ZUAN” series B4 sized sketchbook includes 50 pages of 126.5g/m2, neutral PH acid free drawing paper for less deteriorating and yellowing. This sketch pad paper measures 352 mm x 251 mm (13.86” x 9.88”) and is ideal for art sketching and drawing. Also works great as a business notebook for your presentation or even as a scrapbook to organize your photos, etc. With minimal ghosting and bleed-through, this well absorbent soft art paper is excellent for ink, marker, etc., and also works for light touch watercolor paintings. Hardwearing, high quality sketching paper allows for erasing without damaging paper surface and perfect for dry media, such as for colored pencil, pen, crayon, pastel and charcoal. Maruman’s sketch paper has a unique texture with finely balanced concavity and convexity, known as “shibo”. This textured paper gives a smooth touch for all mixed media and creates a rich impression on your drawing. This premium quality art drawing pad features glue bound on top to smoothly detach so you can frame your art piece for display or keep it in the art storage tube to carry around. Since first created in 1958, Maruman “ZUAN” (meaning “design”) sketchbook remains a bestseller in Japan and loved by all generations from school kid to professional artist and illustrator. Made in Japan.