Notice 1: Before you purchase, please check carefully with your printer adaptable model and purchase corresponding ink cartridge model. Notice 2: If you purchase the wrong or other question please feel free to contact us first via , our quality after-sales service will give you a satisfactory solution within 12 hours. Package Contents: 2 pack remanufactured ink cartridge replacements for 63xl (1 black & 1 tri-color). High Page Yield: 650 pages for 63xl high-yield black ink cartridge,450 pages for 63 tri-color ink(5% coverage at A4 paper). Printer Compatibility Envy 45 Series: 4510 4511 4512 4513 4516 4517 4520 4521 4522 4523 4524 4525 4526 4527 4528. Printer Compatibility OfficeJet38/46/52 Series:3830 3831 3832 3833 3834 3836 ; 4650 4652 4654 4655 ; 5220 5230 5252 5255 5258 5264. Printer Compatibility DeskJet 11/21/36 Series: 1110 1111 1112; 2130 2131 2132 2133 2134 2136 2138;3630 3632 3634 3636 3637 3638 3639.