The product is a new HP 42A Q5942A Black Toner Print Cartridge designed for use with LaserJet 4240, 4250, and 4350 printers. This genuine/original toner cartridge is specifically compatible with HP printers and is designed for laser print technology. The cartridge is in black color and has a model number of Q5949A. It is a high-quality toner cartridge suitable for professional printing needs.