The product is a 4-pack of genuine HP 128A black, cyan, yellow, and magenta toner cartridges, brand new and sealed by the manufacturer. These original HP toner cartridges are designed for use with HP printers and are compatible with specific models such as CE323A, CE322A, CE321A, and CE320A. The print technology for these cartridges is laser, ensuring high-quality and reliable color printing results for your documents and images. This set provides a convenient and cost-effective solution for maintaining consistent and professional-looking prints from your HP printer.