LINED PAPER - 8.5" x 11" refill line paper, 7mm ruled, double side clear black lines. 300 SHEETS - This letter size line filler paper with 300 sheets/600 pages for 600 days, improve your productivity with this daily organizer. 11-DISC - Loose leaf lined paper for compatible with Staples Arc, Office Depot TUL, Talia, Levenger, Happy Planner, and other 11 discs letter size discbound notebooks. HIGH QUALITY - 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. PERFECT FOR - 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. This line refill size of 8.5" x 11" , 300 sheets/600 pages for 600 days, improve your productivity with this daily organizer. Loose leaf lined paper for compatible with Staples Arc, Office Depot TUL, Talia, Levenger, Happy Planner, and other 11 discs letter size discbound notebooks. 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.