Alberto sketch book A4 spiral /binding

Alberto A4 Spiral Sketchbook (Model AB400S). It contains 120 pages of 160 GSM, acid-free plain paper. Alberto A4 binder Sketch Book. It contains 160 pages of 110gsm acid-free paper. It’s suitable for various dry media like pencil, chalk, graphite, crayon, and ink, as well as light watercolors.