Opaque polypropylene covers: ultra-resistant and lightweight at the same time. Includes removable explanatory sticker (English language not guaranteed). Paper: Extra opaque 70 g/m2. Sheets: 200 (25 per colour), micro-perforated sheets so that they tear off cleanly. 2 holes for filing. Design: 5 mm Squares with coloured side markings for sorting, and a header for titles. Forestry certification: FSC Mix Credit. Binding: Spiral with Coilock system. Allows for level opening of the notebook cover. Cover can also spin around to the other side.. 148 x 210 mm.