Greenbook recycled and recyclable notebook in soft card 350 gsm - A4+ 22.5x29.7 cm 160 pages 5/5 4-hole punched - Clairefontaine recycled paper 90 gsm - Black. Reglure 5x5: small 5 mm purple squares, maximum visual comfort. The 5x5 recommended for note-taking, tables, tracings, plans and diagrams. 160 easily detachable, microperforated pages Recycled soft card cover 350 gsm Recycled Clairefontaine paper 90 gsm Produced without de-inking or chlorine treatment Recycled FSC certification