KOKUYO Campus Smart Ring Binder Notebook - B5 - 25 Sheets – Original Kawaii Pen
Amazon.com : Kokuyo Campus Smart Ring Binder, Up to 25 Sheets, B5, 26 Holes, Japan Import, Transparent (RU-SP700T) : Round Ring Binders : Office Products
1 pc KOKUYO Campus Smartring Loose Leaf Notebook Thin Portable Smart Ring Binder Note SP700 A5 B5 Easy To Replace