The product is a lot of 2 genuine HP 45 black ink cartridges, specifically model HP 45. These cartridges are designed for use with HP printers and are compatible with HP printers. The black ink cartridges are ideal for printing high-quality documents and images in black and white. This lot includes two cartridges that are expired as of 2009 and 2010, making them suitable for those who are looking for older or expired cartridges for their printing needs.