The 21pc EMPTY Epson Ink Cartridges set includes 4 yellow, 5 magenta, 4 blue, and 8 black cartridges, all compatible with Epson printers. These genuine/original cartridges are designed for inkjet print technology, ensuring high-quality prints. Specifically tailored for the Epson WF 7820 model, this assorted set of empty cartridges is ideal for those looking to refill their printer Ink with genuine Epson products.