The product is a set of 4 genuine Epson 78 standard capacity inkjet cartridges. These cartridges are specifically designed for Epson printers and use inkjet print technology. The model number for these cartridges is EPSON 78. The expiration date for these cartridges varies, but they are brand new and compatible with Epson printers. This product is ideal for those looking to replenish their printer ink supply with high-quality Epson cartridges. 2 Cyan exp 2/2015, 1 light cyan 1/3013, 1 light magenta 10/2010