The TOKYOINK 923XL 923e Ink w/Chip Cartridges 4-Pack Combo is a set of compatible ink cartridges designed for HP OfficeJet Pro printers. This combo pack includes cartridges in various colors such as cyan, yellow, magenta, and black, with a page yield of up to 800 pages at 5% coverage for color prints. The cartridges come with chips for easy recognition by the printer and are compatible with specific HP models. Made by TOKYOINK, a trusted brand, these cartridges offer reliable performance and high-quality printing results for your documents and images.