Plus - Letter Tray A4. Sturdy, flat letter tray in premium quality. Part of the modular Leitz Plus letter tray system, where all three letter tray heights can be stacked vertically or offset. The design and color are coordinated with the other products in the series, perfect for organizing daily tasks. Particularly robust and stable construction, durable. Flexible storage system, combinable with Leitz Plus letter trays Standard, Jumbo, and the letter tray drawer. Stackable vertically or offset for clear organization. Large cutout for easy access to documents. Design and print your own label.