RIGHTINK 4 (Tri-color) 61 XL Ink Cartridges for HP 61XL 61 Compatible With HP Envy 4500 4501 4502 4504 5530 5531 5535 Contents:4x Tri-color HP61XL Type:Remanufactured Ink Cartridge (Not Made by HP) Page Yield: 450 pages per black cartridge at 5% coverage Compatible Printers Model: HP deskjet 1000, 1010, 1050, 1051, 1055, 1056, 1510, 1512, 2050, 2510, 2512, 2514, 2540, 2541, 2542, 2543, 2544, 3000, 3050, 3050A, 3051A, 3052A, 3054, 3056A, 3510, 3511, 3512, 3516. OfficeJet 2620, 4630, 4632, 4635, 8040,8045.ENVY 4500 e-All-in-One, 4501, 4502, 4504 e-All-in-One, 5530 e-All-in-One, 5531 e-All-in-One, 5535 e-All-in-One All products covered by a 100% satisfaction guarantee and 90 days warranty