Capacity (ML): 13 per cartridge For best results, store in a cool, dry place. Use within 36 months of purchase for optimal performance. These compatible cartridges are conveniently equipped with a smart chip that allows you to monitor and track your ink levels Compatible with the following Canon PIXMA Printer: PRO-100 Page Yield*: 600. *at 5% coverage (ISO/IEC standard) Please contact us first with any product issues. We want all of our customers to be happy because happiness matters.