100GSM THICK GRID PAPER — Crisp 5mm graph layout ideal for diagrams, math, engineering sketches, tables and structured planning.
A4 SIZE (8.5×11") WITH TOP SPIRAL — More room for charts & ideas. Top-bound format keeps hands free from coil interference for left- and right-handed use.
400 PAGES, 2 NOTEBOOKS — Long-term project documentation, semester coursework or technical logs fit in one pad without running out of space.
INK-PROOF NO-BLEED PERFORMANCE — Works with ballpoint, gel, fineliner and markers without bleeding or show-through.
HARD ECO KRAFT COVER — Durable, sustainable, protective. Provides a firm writing board in office, lecture or field conditions.