Canson's Drawing Books are spiral bound on the long side. The binding of the book is extremely stiff and durable. Drawing Book is Fine Grain 120 GSM 18 x 25 cm or 7.1 x 9.8'' Art Book - Blue cover 80 Sheets contain Canson 'Dessin JA' 1557 Drawing paper (120 GSM). Canson 'Dessin JA' 1557 drawing paper is a light grain,acid-free pure white drawing paper ideal for drawing, sketching and Illustration.