The product is a set of 4 ink cartridges in black, cyan, blue, and magenta colors, specifically designed for Canon printers. These standard cartridges use inkjet print technology and are compatible with Canon CLI-8 model printers like the Canon Pro-100 and PIXMA iP8750. The cyan and blue colors may be interchangeable, as indicated by the use of the color blue in the listing. This product is ideal for printing high-quality color documents and images with a Canon printer.