The CMTOP 920 XL Ink Cartridges 4 Pack with an extra black cartridge is a high-quality ink cartridge set designed for HP printers. This combo pack includes cyan, yellow, magenta, and black cartridges, all with a print technology of inkjet. The cartridges are compatible with various HP printer models such as Officejet 6500, 6000, 7000, 7500, 7500A, 6500A, E709, and E710. With a delivery of free shipping and an expiration date of 04-2020, this product offers convenience and reliability for all your printing needs.