This genuine Canon GI-53M ink bottle contains a full 60ml of magenta ink, making it a very cost-effective way of running your printer, for an original product. Each Canon 4681C001 magenta ink bottle is estimated to offer 3,800 prints, according to the manufacturer making the cost per page staggeringly low.The Canon GI-53 range are a welcome change to traditional ink cartridges and are comparatively eco-friendly too, making them easy for us to recommend. You can use the Canon 4681C001 (magenta), or any other colour in the GI-53 ink bottle range in the Pixma G550 and G650 MegaTank inkjet printers.