The 128A Toner Cartridges High Yield Compatible for HP 128A CE320A CE321A CE322A is a 4 pack of black, cyan, magenta, and yellow toner cartridges designed for HP printers. With a page yield of 2400, these cartridges provide high-quality color printing for documents and images. The package dimensions are 12.83x6.93x6.73 inches and weigh 5.86 pounds, making it convenient to handle and store. Compatible with A4 media sizes, this product is ideal for those looking for reliable and efficient toner cartridges for their printing needs.