The product is a set of six black Xerox 8500 8550 Solid Ink Cartridges, designed for use with Xerox printers. These original ink cartridges are compatible with Xerox printers and are genuine/ authentic. They are specifically formulated for inkjet print technology, ensuring high-quality prints in black color. This product is a reliable choice for those looking to replace or upgrade their printer ink supply with a trusted brand like Xerox.