Compatible Printers: Envy Photo 7958e 6220 6222 6230 6232 6234 6252 6255 6258 7130 7120 7132 7134 7155 7158 7164 7800 7820 7822 7830 7855 7858 7864 7255e 7955e, Tango, Tango X, Tango Terra printers. Package Contents: 2 Pack (1 Black| 1 Tri-color) remanufactured ink cartridge replacement for HP 64XL(1 x User Guide, 1 x Green Pre-paid Mailing Envelope for Empty Cartridge. ). Estimated Page Yield: 600 pages per 64xl black ink cartridges and 415 pages per 64xl color ink cartridges at 5% coverage in accordance with ISO/IEC 19798 (Letter/A4). Accurate Ink level: Remanufactured 64XL 64 ink cartridges are conveniently equipped with a smart chip to ensure full working compatibility with your printer. All LxTek ink cartridge replacements for 64XL are strictly tested with industry quality control processes to perform superb results.