Premium Natural: The Natural paper, FSC certified, in very high quality. Flexible cover - approximately 192 ruled pages - 13 x 21 cm Featuring ivory numbered pages - Intro page + numbered index - Round corners - Black flyleaves - Bookmark - Made in Italy The Castelli quality guarantee: Internal pages are stack-folded so they never fall out. Soft cover with precision stitching is flexible and durable. Quality stitched-in bookmark ribbon won't curl or fray.