The product is a new, sealed HP Invent CH561W HP 61 Black Cartridge, designed specifically for HP printers. This genuine/original ink cartridge is compatible with HP printers and features inkjet print technology for high-quality black printing. The unit is a genuine HP product, ensuring reliable performance and consistent results for your printing needs. Compatible with HP 61 model printers, this black cartridge is a solid choice for those looking to replenish their printer ink supply with a trusted brand like HP.