We offer a 4-pack of compatible replacements for Canon ink cartridges for the Canon PGI-250XL high yield series that includes 4 pigment black inkjet cartridges. These Compatible inkjet cartridges replace OEM Canon ink cartridges without sacrificing quality and performance. Also, benefit from monitoring your ink levels with a smart chip that that effectively communicates with your printer in order for you to accurately track your ink levels. For use in the following printers: Canon PIXMA IP7220, MG5420, MX722 and MX922. We are the exclusive reseller of LD Products brand of high quality printing supplies on Rakuten.com.