The XLHippo 923e 923XL Black Replacement Ink Cartridges are designed for use with HP printers, specifically the 923 model. These compatible cartridges utilize inkjet print technology for high-quality printing results. With a manufacturer warranty of 1 year, you can trust in the reliability and longevity of this product. The black color ensures crisp and professional-looking prints, making it an essential item for any printing needs.