Blog A4 Square Notebook – 5×5 mm Grid, 80 Sheets (BLA4-P80-SQ5×5-PP)

The Blog A4 Square Notebook (Model BLA4-P80-SQ5×5-PP) features 80 sheets with precise 5×5 mm square grid ruling, ideal for mathematical calculations, technical drawings, and architectural sketches. Designed with a durable polypropylene (PP) cover and spiral binding, it lays flat for comfortable writing. Finished in a professional, minimalist style, often in a royal blue cover.