Color: 2 Black, 2 Cyan, 2 Magenta, 2 Yellow Contents: 8 Pack of compatible ink cartridges replacement for HP 950XL 951XL combo pack Page Yield: Up to 2,300 pages per black cartridge and 1,500 pages per color cartridge at 5% coverage ( A4 paper size ) Printer Compatibility: HP Officejet Pro 8100 8600, 8610, 8615, 8620, 8625, 8630, 8640, 8660, 251DW, 276DW, 271DW This is not an OEM product. Each 950XL 951XL Cartridge undergoes a strict quality testing procedure to ensure quality and compatibility with your printer