Organized Up Poly Stackit Organizer is great for organizing presentations and projects. It offers eight pockets that hold up to 50 letter-size sheets each and allow efficient subdivision of files. Tabbed dividers allow labeling and subdivision. Tuck flap secures documents in place to prevent spills. Vertical orientation makes it easy to access documents and is backpack-friendly. Durable polypropylene construction is tear-resistant, water-resistant, easy to clean and acid-free.Organized Up Poly Stackit Organizer is great for organizing presentations and projects. It offers eight pockets that hold up to 50 letter-size sheets each and allow efficient subdivision of files. Tabbed dividers allow labeling and subdivision. Tuck flap secures documents in place to prevent spills. Vertical orientation makes it easy to access documents and is backpack-friendly. Durable polypropylene construction is tear-resistant, water-resistant, easy to clean and acid-free.