56 Black/57 Tri-color 2-pack Original Ink Cartridges
"HP 56/57. Type: Original Ink type: Pigment-based ink Printing colours: Black Cyan Magenta Yellow. Package width: 117 mm Package depth: 38 mm Package height: 170 mm. Package length: 3.8 cm. Print head swath: 8.38 mm (0.33")"