The Genuine OEM HP Instant Ink 65/304 Black & Tricolor Cartridges are authentic and original products made by HP specifically for HP printers. These cartridges are designed for inkjet print technology and come in a bundle of one black cartridge and one tricolor cartridge. The cartridges are compatible with HP printers and are ideal for producing high-quality prints in both black and color. With a unit quantity of 2, these cartridges are a convenient and reliable choice for anyone looking to replenish their printer ink supply with genuine HP products.