ESTON Re-Manufactured Ink Cartridge Replacement for HP 61XL 61 XL Ink for Envy 4500 4501 4502 4504 5530 5531 5535 High Yield (Tri-Color,4-Pack) Package contain: 4 Pack CH564WN Color Ink Type: Premium remanufactured ink cartridges, all are approved by strict processing test ,100% post printing test for each cartridge Average Yields : Up to 450 pages at 5% coverage,lasting long as same as OEM Compatible printer List: Deskjet 1000, Deskjet 1010, Deskjet 1050, Deskjet 1051, Deskjet 1055, Deskjet 1056, Deskjet 1510, Deskjet 1512, Deskjet 2050, Deskjet 2510, Deskjet 2512, Deskjet 2514, Deskjet 2540, Deskjet 2541, Deskjet 2542, Deskjet 2543, Deskjet 2544, Deskjet 3000, Deskjet 3050, Deskjet 3050A, Deskjet 3051, Deskjet 3054 Compatible printer List: Deskjet 3052A, Deskjet 3054, Deskjet 3056A, Deskjet 3510, Deskjet 3511, Deskjet 3512, Deskjet 3516, ENVY 4501, ENVY 4502, ENVY 4504, ENVY 4505, ENVY 5531, ENVY 5535, OfficeJet 2620, OfficeJet 4630, OfficeJet 4632, OfficeJet 4634, OfficeJet 4635, OfficeJet 8040, OfficeJet 8045