The Esselte 10333 Document Folder, in A4 format and blue color, is a sub-cover made of 100% recycled and recyclable cardboard, with 275g/m² and 3 internal flaps that keep documents organized and accessible. The expandable spine accommodates up to 250 sheets of 80g/m² paper, and the cover features lined space on the front for quick identification of contents. It is suitable for filing, transporting and protecting documents for internal circulation or internal mail, and can also be used in conjunction with hanging files or for long-term archiving. Certified Blue Angel, it is a sustainable option for offices, schools and home use. The color blue is one of the most used in a professional context, often associated with administrative and financial documents in a color-coded filing system.