Black 16mm 4-O Presentation Ring Binder (10 Pack) WX47602 With an easy-to-open 4-O ring mechanism and a 16mm spine capacity, it is great for everything from presenting projects to archiving to simply tidying up the odd papers around your office. A pocket on the front and the spine allows you to add your own labels. Hard wearing and practical Will sit nicely on a shelf or desktop Ideal for home and office filing Size: A4 (210x297mm) Supplied in a pack of 10 Pocket on the front and the spine Colour: Black Capacity: 16mm