The Brother Genuine LC4014PKS Standard Yield 4-Pack Ink Cartridges are specifically designed for Brother printers, with a print technology optimized for inkjet printing. This product includes cyan, yellow, magenta, and black ink cartridges, offering a variety of colors for your printing needs. Made by Brother, a trusted brand in printing supplies, these cartridges are compatible with the Brother LC51 model and are manufactured in China. This 4-pack ensures you have high-quality ink cartridges on hand for all your printing requirements.