OVISEEN Checked Paper, 5 mm Blocks, Squared, 9-Hole, B5 Format 180 x 255 90 sheets refill paper for 9-ring binder, college pad and math, square, 100 g/m² thick, both sides, no show through

100GSM Thick & Leak-proof Paper - Precise 5mm Check Pattern on Premium White B5 Paper. Perfect for technical drawings, architectural plans, spreadsheets and creative layouts - no show through effects or ink bleeds! PRECISE 9 HOLE RING MECHANISM - Ideal compatible with B5-9 ring binders (TUL, ARC Discbound, Unisystem etc.) Laser precision reinforced holes for intensive use than durable B5 inner pages. 90 sheets = 180 pages - heavyweight paper for precise projects! Acid free & archival safe for technical sketches, B5 financial planners or design floor plans. Eye-friendly cream white: reduces fatigue during long periods of work - professional look for technical presentations & customer appointments. Multi-scenario super power - ideal for B5 planning systems: architectural floor plans & construction drawings; 5 mm grid tables & budget tracker; printable CAD templates in precise 18 x 25.5 cm format