The product is a 4-pack of genuine HP 128A black, yellow, and magenta toner cartridges. These OEM cartridges are specifically designed for use with Hewlett Packard printers and are compatible with the HP 128A model. The toner set includes black (2), yellow, and magenta colors, making it ideal for printing high-quality documents and images with vibrant colors. Ideal for those looking for reliable and authentic HP printing supplies that ensure optimal print quality and performance.