Premium Natural: The Natural paper, FSC certified, in very high quality. Rigid cover - approximately 192 ruled pages - 13 x 21 cm Featuring ivory numbered pages - Intro page + numbered index - Round corners - Blue edge - Black flyleaves - Inner pocket - Bookmark - Elastic closure - Pen loop - Made in Italy The Castelli quality guarantee: Internal pages are stack-folded so they never fall out. Cover-seams are bevel-shaved for slimmest profile. Pen loop stays tight and holds its shape. Elasticized closure keeps everything compact. Quality stitched-in bookmark ribbon won't curl or fray.