Standard Plus - A4 Horizontal Letter Tray. Very sturdy letter tray with an opening on the long side. The design and color are coordinated with the other products in the Leitz Plus series. Stackable with the Plus Jumbo horizontal letter trays. Ideal for organizing documents with spine labels, such as catalogs. Unique, patented "Press & Click" connection system for stable stacking. Particularly robust and stable design, durable. Fits in cabinets, shelves, and on the desk. Large, central cut-out for easy access to documents. Create and print your own label sign.