Brustro Toned Paper - Grey Sketchbook, Wiro Bound, Size A4, 120GSM (60 Sheets), 120 PagesA4, 120 GSM, Grey sketchbook Perforated and wiro bound Sketch book , Acid free papers and archival For Dry media like Graphite Charcoal Chalk Fineliners Pastels Colour pencils and Gel pens Gray tone drawing paper with a medium surface. Ideal for mastering light techniques and dark media. Mid toned paper helps to attain different tonal values The sketch book paper won't react with your supplies and won't yellow over time ,Great for creating highlights