The product is a set of four Xerox toner chips specifically designed for use with Xerox VersaLink B7025, B7030, and B7035 printers. These black toner chips are compatible with the mentioned Xerox printer models and are manufactured in China. The product is a convenient and cost-effective solution for refilling toner cartridges in Xerox printers, ensuring high-quality printing results and reducing the need for frequent refills.