UNPARALLELED QUALITY CONTROL AND CUSTOMER SUPPORT. Our company is US-based, and our remanufactured for HP 63XL ink cartridges are tested both at the manufacturing stage and at our FL warehouse. We also offer lifetime local phone and email customer service (available on packaging) as well as a 1-year warranty (from our store Bordeaux Tech), to ensure you're satisfied with your purchase long-term, not just for a few weeks after your order..COMPATIBLE WITH HP PRINTERS: DeskJet 1110 1111 1112 1115 2130 2131 2132 2133 2134 2136 2138 3630 3631 3632 3633 3634 3635 3636 3637 3638 3639 Envy 4510 4511 4512 4513 4516 4517 4520 4521 4522 4523 4524 4525 4526 4527 4528 OfficeJet 3830 3831 3832 3833 3834 4650 4652 4654 4655 5212 5220 5230 5252 5255 5258 5264. These Remanufactured for HP ink 63 black color cartridges are compatible with all new printers..PACKAGE CONTAINS: 2 Pack of Remanufactured High Yield Ink Cartridges for HP 63 XL (1x for HP 63 black ink cartridge, 1x for HP 63 color ink cartridge). XL just means that both of our catridges are filled with more ink- their size is identical to standard yield cartridges..GREAT QUALITY PRINTS WITH ZERO HASSLE. Effortlessly install and get consistent clear and vivid prints that match the performance of name-brand cartridges while saving money..GET HIGH YIELD CARTRIDGES THAT PRINT FOR LONGER. Remanufactured ink manufacturers are incentivized to fill their cartridges to the brim to compete with original manufacturers. We specifically test for ink fullness at the production stage. Page yield: 480 pages per cartridge (black or color)..ADDITIONAL FEATURES AND CERTIFICATIONS. Cartridges contain the newest version smart chip which is designed to show accurate ink levels, and work with all new printers. These remanufactured cartridges do not void the printer's warranty. Cartridges are ISO 9002 certified for print quality, and ISO 14001 for environmental assurance. Cartridges can be recycled, contact us for more info.