The grey Jalema Secolor Pocket-file file folder has a storage capacity of 30mm. You can use this folio folder to archive loose documents. Also ideal for storing papers that cannot be punched. The information is well protected thanks to the double gusset on the short sides and generous flap at the top. This file folder is made of 270g chlorine and acid-free Colorkraft cardboard. This pack contains 10 folders.