The product is an HP 26X CF226XD Black High Volume Genuine Laser Toner specifically designed for use with LaserJet M402 and M426 printers. This high-quality toner cartridge is original and manufactured by HP, ensuring compatibility and optimal performance. With a print technology of laser, this black toner cartridge is perfect for producing crisp and professional-looking documents and images. The product includes six cartridges, making it ideal for high-volume printing environments.