Hard wearing and practical. Will sit nicely on a shelf or desktop. Ideal for home and office filing. Perfect for A4 paper. 4-O ring mechanism keeps pages secure. Capacity: 25mm. Size: A4 (210x297mm). Pack of 10. Colour: Red. With an easy-to-open 4D ring mechanism and a 25mm spine capacity, it is great for everything from presenting projects to archiving to simply tidying up the odd papers around your office. Pocket on the front and on the spine. A pocket on the front and the spine allows you to add your own labels.