Sophia Global Compatible Ink Cartridge Replacement for Canon CLI-251 (1 Yellow) Page Yield: Up to 310 Pages per yellow ISO 9001 Quality Certified Manufacturing Process This cartridge has never been used and is designed to provide equivalent print life to the original brand name cartridge. The ink is formulated to provide excellent color matching for true-to-life photos and crisp text. The cartridge comes with a chip and is engineered to fit exactly into your printer.