- A5 size notebook (16.2x21 cm) with 100 sheets of high-quality paper, 90 g/m² thickness - Durable paper that prevents ink bleed-through, ideal for pen, pencil, or marker - Hard cover with matte finish for extra protection and a soft touch - 5 mm squared interior that makes it easy to write neatly and do mathematical or technical exercises - Metal ring binding that allows the notebook to open completely and write comfortably - Elastic band closure to keep the notebook secure and prevent pages from being damaged - Simple and professional design, suitable for students of all ages and professionals - Ideal for daily use at school, high school, university, or in the office, for both theoretical and technical subjects