The crystalfile extra file has a tough polypropylene construction which is designed to last up to 5 times longer than a standard manilla file the extra wide 30mm capacity means that the folder can take up to 300 sheets of 80gsm paper this pack contains 25 green foolscap files tough folders for long lasting filing reinforced base allows the heaviest documents to be kept securely 30mm width provides plenty of space printable tabs make labelling easy extra strong bars to allow heaviest loads s