This line refill size of 7" x 9.25" , 100 sheets/200 pages for 200 days, improve your productivity with this daily organizer. Loose leaf paper perfectly fits 9-Disc Classic Happy Planner, NOTIQ Midi 9-Disc (L2), Inkwell Press such as The Happy Planner, ARC by Staples, Levenger Circa, TUL, etc. Refill 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. This refill line paper for school notes, meeting notes, or any form of writing, our Ruled Sheets have subtle gray lines spaced by a quarter inch.