Sophia Global Compatible Ink Cartridge Replacement for PGI-29 (12 Pack of Black, Gray, Color and Chroma Optimizer Cartridges) Page Yield: Meets Manufacturer's Specifications for Page Yield ISO 9001 Quality Certified Manufacturing Process These cartridges have never been used and are designed to provide equivalent print life to the original brand name cartridges. The ink is formulated to provide excellent color matching for true-to-life photos and crisp text. The cartridges come with chips and are engineered to fit exactly into your printer.