The product is a set of four genuine HP 96 black ink cartridges designed for use with various HP OfficeJet and Photosmart printers. These original ink cartridges are compatible with models such as 7210, 7310, 7410, B8350, and 9800. They are guaranteed for one year from the purchase date and are suitable for inkjet print technology. The black ink cartridges are ideal for producing high-quality prints with crisp and clear details, making them a reliable choice for both home and office printing needs.