The HP 950 XL Black Ink Cartridge Lot of 4 is a genuine OEM product by HP designed for inkjet printing. These cartridges are compatible with HP printers and offer high-quality black printing. With a warranty that ends in 2025, you can trust in the reliability and longevity of this product for all your printing needs. The dimensions of each cartridge are 3.94 inches in height and 4.52 inches in width, providing a convenient and efficient printing experience.