Amazon.com : Leitz Wow A4 Plus 2 D-Ring Binder 25 mm - Assorted, : Office Products
Ringbinders
Amazon.com : Leitz 4 Ring Binder, Holds up to 230 Sheets, SoftClick Range, 44 mm Spine, 42010001 - A4, White : Office Products
Amazon.com : Leitz Cardboard Binder, A4, Red – (Ring Binders A4 Ring Binder Red, Red, Red, A4, 250 Sheets, 240 mm; 240 x 318 x 1 mm) : Office Products
Leitz A4 Size, R80 Black Marbled 2-Ring Binder, 3" Spine, European Ring Spacing - Bindertek
Amazon.com : VON Leitz 42471099 Pack of 5 Ring Binders A4 with 2 Rings Polypropylene Folder 30 mm Spine Width for 190 Sheets Ring Mechanism for School, Study & Household, Multicoloured, Pack of 5 : Office Products
Leitz 180° Standard 3" 2-Ring A4 Binders, pre-owned, good condition, div. colors | eBay