This Hahnemuhle Grey Book Sketch Book contains 40 sheets/80 pages of 120gsm, grey paper. The smooth sketch paper inside this notebook is well suited for working with Indian ink, fountain pens, and acrylic marker. Colors will also stand out well on the light grey, non-absorbing paper. Sized A5, this hard bound sketch book measures 11.7x8.3 inches with an anthracite colored cover. The slim design makes it great for on the road and traveling.