Sturdy letter trays have an unique design that allows trays to stack in parallel or perpendicularly depending on your individual needs. Curved tray fronts and optional offset stacking position provide easy access to papers and files. Tab area permits labeling (labels sold separately). Two trays per set. Desktop File Folder Sorter Type: Horizontal & Stacking; Number of Compartments: 2; Material(s): Polystyrene; Width: 10 1/8″.