This line refill size of 5.8" x 8.25" , 100 sheets/200 pages for 200 days, improve your productivity with this daily organizer. Loose leaf planner paper with standar 8 Disc Discbound inserts refill paper for A5 with junior size discbound planners, such as Arc, Levenger, 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.