Sakura Sketchbooks / Notebooks are suitable for all ages, and for both experienced and aspiring artists. The hardcover books contain 80 black sheets of 140 g/m2 acid-free paper, which is perfect for sketching and for use with Sakura products like ink, pencils, oil pastels and charcoal. All Sketchbooks / Notebooks come with a pen holder, an expendable envelope, an elastic closure band and A uniquely illustrated sleeve to use as a bookmark. Available in various sketch / note book sizes for all types of sketching and writing with Sakura products like the Pigma Micron, Pigma Brush, Koi Colouring Brush Pen, Gelly Roll, Permapaque and the original Cray-Pas.