8-Pack Non-OEM Compatible Ink for HP 88 Officejet Pro K550 K5400 L7550 L7580 Brand New Hi Capacity: Black - 58mL Color -28mL ISO 9001 Manufacturer (Not made by HP) Shelf Life: 12-18 months 2 x Black, 2 x Cyan, 2 x Magenta, 2 x Yellow