A4 exercise book, 16 sheets. 90 g/m² OPTIK PAPER® for easy writing and optimal writing results. Squared with margins on the right and left (ruling 28) for notes or corrections on the edge. Extra robust, refined cover for long-term optimal use. With blotting paper to absorb excess ink. Wire-stapled spine for optimal writing on all pages. Awarded the recognized EU Ecolabel due to environmentally friendly production and product quality.