The RELColor 902XL Ink Cartridge Set 4 Pack in Black, Cyan, Magenta, and Yellow is a high-yield ink cartridge set designed for printers. Manufactured by Relcolor and with a manufacturer warranty of 2 years, this unit includes one set of cartridges with each color in the pack. Originating from China, this product provides long-lasting and vibrant color for your printing needs. Ideal for those looking for reliable and high-quality ink cartridges, this set is a dependable choice for your printing requirements.