The product is a new genuine Epson 48 black ink cartridge bag specifically designed for Epson printers, such as the RX500 and 600 models. This single unit ink cartridge is manufactured by Epson and is compatible with Epson printers. It is black in color and utilizes inkjet print technology for high-quality printing results. Perfect for those looking to replenish their printer ink supply with a reliable and compatible product.