The 4 PK GI-20 BKCMY Ink Bottle for Canon PIXMA Megatank bottles by Vivid Colors is a set of compatible ink bottles designed specifically for Canon printers. This set includes bottles of cyan, yellow, magenta, and black ink that are compatible with the GI-20 model printer. The high-quality ink ensures vivid and long-lasting colors for your printing needs. Perfect for those looking to refill their printer with reliable and efficient ink bottles.