SAFE MATERIAL - This high quality polypropylene document holder, non-toxic and non-radioactive, it is an ecological product and it will adapt to everyone. ACCORDION CONSTRUCTION - Its Accordion construction is perfect to cope with the varying amount of sheets between dividers. It contains 24 compartments, which can store at most 3000 sheets. LIGHT AND CONVENIENT - Made of plastic, so this storage binder is flexible and light. It is strong and practical enough to store papers with multi-color labels provided. SIZE - 33 * 24CM, this suitcase sorter is very aesthetic and functional, which is suitable for A4 size papers, so it can store letters, administrative documents and lesson sheets. MULTI-COLORS - This accordion in multi-color, BUT it is not transparent, you cannot see the writings well when you insert them in the tabs.