The G&G 4 Pack Ink Cartridges include 1 Magenta, 1 Black, 1 Cyan, and 1 Photo Black cartridge, designed for use with HP printers. These compatible cartridges are suitable for inkjet printing and are specifically designed for HP Officejet printers. The cartridges are manufactured in China and are compatible with various HP and Epson models, including the Epson Expression Premium XP-530, XP-630, XP-640, and XP-830. With this 4 pack, you can ensure that you have a variety of colors on hand for all your printing needs.