This set of two genuine HP ink cartridges is perfect for use with HP Deskjet 5550, 5551, and 5552 printers as well as other compatible models. The black and tri-colour cartridges are designed to deliver high-quality prints with a page output of up to 500 pages each. The bundle contains a total of two ink cartridges, one black and one tri-colour, making it an essential purchase for anyone in need of reliable ink cartridges. These cartridges are for a range of HP printers, including the Deskjet 5510, and are an excellent choice for anyone looking for high-quality and long-lasting ink.