The product is a set of 5 genuine HP 56 black ink cartridges, sealed and expired as of 05/16. These cartridges are specifically designed for use with HP printers, such as the HP Officejet 6600. Manufactured in Malaysia, they offer high-quality print technology for inkjet printers. Keep in mind that the cartridges are expired, which may affect the quality of the prints and the longevity of the ink.