The Canon GI-50PGBK is a substantial sized black ink bottle with a full 170ml of quality ink. Compatible with the novelly designed Canon Pixma G5050 (to name just one machine) the 3386C001 offers astounding economy for a genuine product.  Offering you an estimated 6,000 prints from each bottle, the Canon GI-50PGBK comes highly recommended by us and represents changes in the printer industry that we fully support. Despite its inherent reliability and the quality of the manufacturer, each 3386C001 comes guaranteed by Canon directly.