This Genuine HP 56 Black 57 Tri Color Ink Cartridge is a great addition to your printing supplies. It is compatible with HP printers and comes in a sealed expired package from 2013. The cartridge is of high quality and produces great results. It is a unit type ink cartridge and comes in black color. The model number is HP 56 and it is a Genuine/Original product. This ink cartridge is perfect for those who need to print documents or photos with vibrant colors.