KOKUYO Systemic Refillable Compendium (A5) with Spiral Notebook - BlackJapanese designed compendium, that comes with an initial spiral notebook, with decent quality paper. We get very good feedback about the functionality of these covers. Cover will fit most slim style A5 notebooks such as Kokuyo Campus, Moleskine Cahier, Leuchtturm1917 Jottbook. Professionally finished synthetic polyester material. Cover includes: Twin Ring spiral notebook insert (ruled, 28 lines, 50 sheets 100 pages) External pocket for documents