This graph paper size of 8.5" x 11", 4"x4" blue quad rule, double side clear blue grid. This graph filler paper with 100 sheets/200 pages for 200 days, improve your productivity with this daily organizer.The unpunched loose-leaf graph paper for ring binder, discbound notebook or planner inserts, compatible with Filofax Organizers & Clipbook, Junior Levenger, Levenger Circa, Arc, TUL, Martha Stewart, Talia etc. Refill grid paper is used to high quality 100gsm pure white premium acid-free paper, so you can confidently use most pens, pencils, and markers without ghosting and bleed-through. Use for engineering or technical drawings, drafting, drawing blueprints, crafting, or creative drawings. Standard 4 x 4 graph-ruled paper is a staple for elementary math, geometry, calculus, trigonometry, physics, and the arts.