These handy, durable ring binders feature a standard 2 O-ring mechanism with a 25mm capacity for filing A4 documents. The ring binders also feature durable paper over board covers and spine label for quick identification of contents. Ideal for colour coordinated filing, this pack contains 10 blue ring binders. A4 ring binders Standard 2 O-ring mechanism Capacity: 25mm Durable paper over board coversLabel on spine for quick identification Colour: blue Pack of 10