The pages of the notebook are quadruply perforated for easier sorting and additional micro-perforation for easier page tear-off.
Opaque paper that prevents ink penetration and dries quickly.
Dimensions: A4 (21 x 29.7 cm.)
Contents: 120 sheets in wide rows, divided into 4 colour themes
Paper density: 70 g/m 2
Covers: hard
The grip of the sheets: by metal spiral.