Sophia Global Compatible Ink Cartridge Replacement for Canon PGI-250 and CLI-251 (3 Large Black, 3 Small Black, 3 Cyan, 3 Magenta, 3 Yellow) Page Yield: Up to 300 pages per large black and up to 1645 pages per small black, 350 pages per cyan, 337 pages per magenta, and 310 pages per yellow 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.