Product Description: This discbound refill paper features 8.5 x 11 inch, lined pages, each pack 100 sheets / 200 pages of high quality 100gsm white arc paper refill 8.5 x 11. Total 200 sheets, 400 pages. 100% recycled smooth white paper for easy writing, great for a range of markers and mediums. Heavy-weight, acid-free disc paper refill that won't bleed through. It responds well to fountain pen, gel pen, roller pen, ballpoint pen, highlighter, pencil and etc. Letter size discbound paper works perfectly for Filofax Organizers & Clipbook Junior Levenger TUL Staples ARC Franklin Covey Etc Arc refill paper, planner inserts works perfectly with binder notebook planner, ideal for bullet journaling, meeting record, class notes, travel diary, poem writing, doodles, project notebook for work, home or school. UNPUNCHED - Discbound refill for ring binder, discbound notebook or planner inserts, such as Filofax Organizers & Clipbook, Junior Levenger, TUL, Staples ARC, Franklin Covey etc 8.5 X 11 INCH - Letter size arc paper refill 8.5 x 11, 200 sheets/400 pages. lined pages, printed on both sides PREMIUM PAPER - Disc paper refill with 100gsm smooth white paper for easy writing. Heavy-weight, acid-free paper that won't bleed through PEN TYPES FIT - Discbound paper responds well to fountain pen, gel pen, roller pen, ballpoint pen, highlighter, pencil and etc PERFECT FOR - Arc refill paper, bullet journaling, creative writing, work records, meeting record, class notes, travel diary, poem writing, doodles, project notebook etc. Suitable for calculus, engineering classes etc