The Office Max HP 56 Black Inkjet Cartridge C6656AN Twin Pack is a genuine/original product made by Office Max specifically for HP printers. This inkjet cartridge in black color is compatible with various HP printer models and is manufactured in the United States. The twin pack ensures that you have an extra cartridge on hand for when you need it, making it convenient for continuous printing without interruptions. Ideal for office or home use, this cartridge is designed to provide high-quality printouts with every use.