This lot includes two genuine HP 45 black ink cartridges, model 51645A, suitable for use with HP printers. The cartridges are factory sealed and come with an expiration date of FEB 2003. They are compatible with both inkjet and laserjet printers and are of the genuine/original type. The manufacturer color is black and the model is HP 45. The cartridges are suitable for use with HP printers and come with a California Prop 65 warning.