This to do list inserts is size 5.8" x 8.3", daily planner refills for saving recipes, double side clear black lines. Perfect fit standar 6-hole inserts, to do list refill paper for A5 binder, SIX (6) ring binders, like Filofax, Kikki k, Carpe Diem (A5), DON'T fit 3/7 ring binders. This day planner refills with 100 sheets/200 pages for 200 days, 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. To do list paper refill is for work, home, school notes, meeting notes, or any form of writing, or also simply to list things you want to do. Perfect for daily task management, helping you prioritize and manage office supplies effectively.