The Arthur Imaging Compatible Ink Cartridges come in a variety of sizes, with 12 large black cartridges, 4 small black cartridges, and 4 cyan cartridges included. This set is designed to be compatible with printers, offering high-quality color options for your printing needs. With a total of 20 cartridges in the pack, you'll have plenty of ink to last you for a long time. Perfect for those looking for dependable and affordable ink cartridges for their printing requirements.