The Canon CLI-521 photo value pack is the ideal way to get a bit extra for your money. When you buy these printer ink cartridges online at Just Ink and Paper you will not only get four Canon CLI-521 ink cartridges but you’ll also get 50 sheets of canon photo printing paper absolutely free. When you opt for our standard delivery option your order will be shipped to you at no extra charge in three to five working days. If you have one of the many Canon Pixma printers that use the CLI-521 inks this is a great way to get the most for your money.