Sturdy polypropylene construction protects file folders and documents. Transparent design offers at-a-glance identification of contents. Simple mounting makes it easy to transport the entire organizer wherever it"s needed then simply hook into partition fabric (hooks included). Hanging File Systems Type: Panel/Partition Multiple Pockets.For File Size: Letter.Overall Height: 12-3/4 in.Width: 12 in.Depth: 1/4 in.Number of File Pockets: 3.Color: Clear.Material: Polypropylene.