Notebooks Pupitre with double spiral, DIN A4 21x29.7 cm, 80 sheets, 90 g, checked. Notebooks with top-side double spiral from Clairefontaine. The sheets are micro-perforated, detachable, and 4-hole punched, making it easy to file them in a binder or ring binder. The sturdy cardboard back allows for comfortable note-taking, even without a writing surface. The cover is made of coated cardboard. The velvety soft 90 g paper from Clairefontaine provides a pleasant and unique writing experience. PEFC certified for sustainable forest management.