This Blog notebook features an A4 size format with 100 sheets of square-ruled paper (10x10 grid). The notebook comes in a professional navy blue cover with spiral binding and includes the Blog branding. Perfect for mathematical calculations, technical drawings, or organized note-taking. Key features: • A4 size format • 100 sheets capacity • 10x10 square grid ruling • Navy blue cover • Spiral binding • Professional design • Made in China The notebook features a product code BLA4-P100-SQ10*10-PP clearly labeled on the cover. The spiral binding allows pages to lay flat when open and provides smooth page turning. The square grid pattern makes this notebook especially suitable for engineering, architecture, mathematics and technical subjects where precise layouts and drawings are required.