The HP 15 Black Ink Cartridge - C6615DN is a genuine, new product designed for use with various HP printers. This ink cartridge is specifically formulated for inkjet print technology, ensuring high-quality black prints. With a model number of 15 and compatibility with a range of HP printer models, this cartridge is a reliable option for those looking to refill their printer ink. The compact size of 6.2 inches in height and 4.6 inches in width makes it easy to handle and store, while its black color ensures consistent and professional-looking results.