HOTCOLOR 2PK 61XL Ink Cartridges Remanufactured for HP 61XL Black/Tri-Color Inkjet Cartridge, Fit for HP Envy 4500 5530 5534 Officejet 4630 Deskjet 1000 1512 2540 3510 3050 Printer 1.Page Yield: 61XL Black Ink Cartridge 480 pages; 61XL Tri-color Ink Cartridge 330 pages ; at 5% coverage. 2..What's in the box:( 1 Black , 1 Color ) 61XL High Yield Remanufactured Ink Cartridge CH563WN CH564WN 3. 61XL Ink Cartridge Work for Printer: HP ENVY 4500, 4501, 4502, 4504, 4505, 5530, 5531, 5532, 5534, 5535, 5539 Printer Ink , Officejet 2620, 2621, 4630, 4632, 4635 Printer Ink , Deskjet 1000, 1010, 1012, 1050, 1051, 1055, 1056, 1510, 1512, 1514, 1051, 2050, 2510, 2512, 2514, 2540, 2541, 2542, 2543 2544, 2546, 2547, 3000, 3050, 3051, 3052, 3054, 3056, 3510, 3511, 3512 Printer 4.Remanufactured By HOTCOLOR for HP 61XL Black Tri-color Ink Cartridges have been awarded ISO9001 certification. 5. Guarantee: 120 days quality warranty.If you have any other concerns or need immediate assistance, feel free to contact us via email.