Ankink 68XL Black 2 Pack Replacement for HP 68 XL Ink CartridgesThis two-pack of high-yield black ink cartridges delivers up to 720 pages per cartridge at 5% coverage on A4 or Letter-sized paper. The extra-large capacity provides roughly 1.5 times the output of previous XL models and three times the capacity of standard cartridges, reducing how often you need to replace them. Each cartridge features an upgraded smart chip for precise printer recognition and real-time ink level tracking. These remanufactured cartridges work with HP ENVY 6110e, 6120e, 6130e, 6150e, 6520e, 6530e, 6550e, and 6555e printers. They are also compatible with HP+ Instant Ink service for convenient automatic deliveries. The high-density nozzles and micron-sized apertures produce consistent, clear prints for home, school, and office poundsProductdimensions3.1 x 1.7 x 5.0 inches