This Exacompta Flat File is made from FSC certified heavyweight 355gsm mottled pressboard. The spine expands to 30mm and can hold up to 350 sheets of A4 80gsm paper. It features a metal spring mechanism to keep punched documents secure and a pre-printed front cover for easy identification of contents. The file is blue in colour, with dimensions of 318 mm height, 272 mm width, and 2 mm depth. It weighs 62 g. These files are supplied in a pack of 25 and packaged in a 100% recyclable carton.