Long-term printing: Page yields equal to OEM ink cartridges Up to 450 pages per Black cartridge (5% coverage) Up to 360 pages per Tri-Color cartridge (5% coverage) Tips: The page yield is an estimation based on the industry standard of 5% coverage only. If you print more than 5% per page, then the page yield is significantly less. Compatibility PRINTER: Envy series: ENVY 5055,5052, 5058 OfficeJet series: 3755, 3775, 3752, 2652 3721, 3723, 3730, 2622 3722, 3720, 2730 3732, 3758, 2624 bring reliable performance for practically project. Get laser-quality documents with crisp text. Dry fast, resist water, prints maintain a sharp look over time. packaging: You do not worry about extra leaked ink damaging Package. Every cartridge was protected in an individual sealed plastic bag.