The product is a set of OEM sealed Xerox drum cartridges, specifically models 108R01485, 108R01486, 108R01487, and 108R01488. These drum cartridges are essential components for printing high-quality documents and images with a Xerox printer. By purchasing this set, you ensure that you have genuine Xerox products that are guaranteed to provide excellent printing results. Whether you are a home user or a professional in a printing industry, this set of drum cartridges will help you maintain the performance of your Xerox printer.