The product is a set of 4 Dell P237C, P238C, P240C, P239C standard yield toner cartridges in cyan, yellow, magenta, and black colors. These laser print technology toner cartridges are compatible with Dell 1320c, 2135cn, and 2130cn printers and come with a manufacturer warranty. Each unit contains 4 toner cartridges, making it an ideal choice for those looking to replenish their printer supplies with high-quality Dell cartridges.