Tube file for 400 A4 size.
Since the opening is made with a middle edge, you can easily insert and remove only the documents you want without having to remove other documents.
The binding is the same length as the binding side, making it extremely durable. Whats more, your documents will not be damaged and will stay in place. Comes with a set of color divider cards (1 set of 5) so you can easily classify by item.
The medium document can be easily inserted and unplugged with the press board.
Cover: PP film paste (core material: old paper pulp formula)