Leitz A4 Size, 4-Ring View Binder, 2" Spine, European Ring Spacing - Bindertek
Business Source Standard View Round Ring Binders - 1 1/2" Binder Capacity - Letter - 8 1/2" x 11" Sheet Size - 350 Sheet Capacity - 3 x Round Ring Fastener(s) -
HE313839 - Snopake A4 Presentation Ring Binder Assorted - Pack of 10 | Findel Education
Amazon.com : Esselte 4 Ring Binder, PP, Holds up to 190 Sheets, 42 mm Spine, 49733 - A4, Black : Office Products
Amazon.com : Toplive 3 Ring Binder 1 Inch , [4 Pack] Three Ring Binder Folder Presentation View Binders Hold up to 220 Sheets A4 Size / Letter Size Paper for School Office