Sold Per 1 Tray Stackable up to three trays. Stack for maximizing desktop space. Interlocking feet ensure secure stacking of up to three trays. Stackable tray for files, papers, folders, envelopes, documents, etc... Can be used as one piece or buy them in quantity and stack them. Keep your desk neat and space saving. With its sleek finish and neat design this tray organizer will match you any office desk and give this New and Elegant yet Modern look!