Leitz A4 Size, R50 Black Marbled 2-Ring Binder, 2" Spine, Bulk Pack of 20 - Bindertek
A4 2” White 3-Ring Binder
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, Black) : Office Products
A4 3” White 2-Ring Binder
Ring Binder Padfolio with A4 Expanded Document Bag, Business Organizer – epadfolios
Q-Connect 25mm 2 Ring Binder Polypropylene A4 Red (Pack of 10) – Evercarts
Amazon.com : Q-Connect A4 2 Ring Binder Polypropylene - Assorted, Pack of 10 : Round Ring Binders : Office Products
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
Ring binder PP | 2 rings | A4 | 20 mm | transparent