The product is a set of 4 high capacity Xerox toner chips specifically designed for the Xerox WorkCentre 6400 printer. These cyan, yellow, magenta, and black toner chips are compatible with the WorkCentre 6400 model and are manufactured in China. As a genuine Xerox product, these toner chips ensure high-quality printing results and are designed to deliver reliable performance. Each toner chip is a unit and is used for laser print technology, making them an essential component for maintaining the efficiency and productivity of your Xerox printer.