This refill lined paper size of 5.8'' x 8.2'' , each pack of 100 sheets/200 pages, it total of 300 sheets/600 pages, 6mm ruled, 32 lines. Acid-free paper for refill paper, each page 100gsm white paper. This filler paper is thick enough to reduce ink penetration. On a smooth paper, you'll be able to write smoothly. It works perfectly for Filofax A5 Organiser / Clipbook, Kikki.K (Large), Carpe Diem (A5), Foxyfix (A5), Gillio (A5) Dokibook (A5, Large), Van der Spek (Manager) etc This A5 filler paper works great with binder notebook planner, ideal for sketching, drawing, creative writing, work records, bullet journaling, meeting record, class notes, travel diary, poem writing, doodles, project notebook for work, home or school.