Amazon.com : Lever Arch 2-Ring Binder; U.S. Letter Size; for 2 3/4" (7 cm) Center-to-Center (cc) Paper Punches (Not for A4 Documents with 8 cm cc Spacing) (1 Assembled Binder, Blue) : Office Products
Personalized 2-ring Binder A5 / A6 / A4 / Letter Size Leather - Etsy Israel
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Alpha Presentation Binder 2 Rings A4, 15mm Spine, White (201) | Dubai & Abu Dhabi, UAE | Altimus.Office
Muji Ring Binder 2 Ring PP Clear No Color A5 / B5 / A4 - Etsy Australia
Marbig Polyethylene 2 D-ring Binder 25mm (A4) | Fruugo IL
Ring Binder File 2-Ring A4, 30 mm | Gataric Group
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Q-Connect 25mm 2 Ring Binder Polypropylene A4 Assorted (Pack of 10) : Amazon.co.uk: Stationery & Office Supplies
Leitz A4 Size, R80 Black Marbled 2-Ring Binder, 3" Spine, Bulk Pack of 20 - Bindertek
Amazon.com : Lever Arch 2-Ring Binders; U.S. Letter Size; for 2 3/4" (7 cm) Center-to-Center (cc) Paper Punches (Not for A4 Documents with 8 cm cc Spacing) (25 Unassembled Binders, Red) : Office Products