The product is a 4-pack of genuine Lexmark toner cartridges specifically designed for Lexmark C540 printers. The cartridges come in sealed boxes and include colors cyan, yellow, magenta, and black. These high-yield toner cartridges are compatible with various Lexmark models and are designed for laser print technology, ensuring high-quality prints. The bundle is perfect for regular printing needs, offering a convenient option for maintaining printer functionality with authentic Lexmark cartridges.