The red Jalema Secolor Pocket-file file folder has a storage capacity of 30mm. You can use this A4 folder for archiving loose documents. Also ideal for storing papers that cannot be punched. The documents are well protected thanks to the double gusset on the short sides and large flap at the top. This file folder is made of 270g chlorine and acid-free Colorkraft cardboard. This pack contains 10 folders.