The Lexmark 24B5807 Toner Cartridge in Black is a high-yield, laser print technology unit designed for Lexmark printers such as the CS736dn, CS748de, and XS734de. This unopened box contains 2 units of toner cartridges, guaranteeing consistent and high-quality printouts for your documents and images. As a genuine Lexmark product, it is specifically designed to meet the compatibility and performance standards of Lexmark printers, ensuring reliable and professional results with each use.