Sophia Global High Yield Compatible Ink Cartridge Replacement for Canon CLI-251XL (Pack of 2 CLI-251XL Gray) Designed to Provide Equivalent Print Yield as Original Brand Name Cartridges Two Year Shelf Life and Manufacturer Warranty ISO 9001 and ISO 14001 Quality Certified Manufacturing Process Quick and Easy Installation; these cartridges come with chips and are engineered to snap right in, light up, and be recognized in your printer High Quality Prints; this ink is formulated to provide excellent color matching for vivid photos and crisp text