Kokuyo Smart Ring binder, Up to 25 Sheets, B5, 26 Holes, Yellow Green (ル-SP700YG) - Walmart.com
JetPens.com - Kokuyo Campus Smart Ring Binder Notebook - B5 - 26 Rings - Light Blue | Journal stationery, Jet pens, Loose leaf paper
Amazon.com : Kokuyo Campus Smart Ring Binder, Up to 25 Sheets, B5, 26 Holes, Japan Import, Transparent (RU-SP700T) : Round Ring Binders : Office Products
Kokuyo Campus Smart Ring 60 Binder Notebook - B5 - 26 Rings - Blue Green | JetPens