The Canon CLI-551 Grey ink cartridge contains just 7ml of ink but it is possible to print up to 125 10x15 photos with it. This ink is part of Canon’s ChromaLife100+ series that give amazing results when used with genuine Canon photo paper. The prints you create when you use the ChromaLife100+ system are deep, crisp, rich and very long lasting. Protect your precious memories by printing in the highest quality you can. Ordering ink online at Just Ink and Paper is easy, simply add what you need to your basket and head to the checkout.