US patent Canon PGI-225 CLI-226 refillable ink cartridges (without CHIP) + 30ml pigment & 4x30ml dye Nano premium ink refill kit for Canon PIXMA iP4820, MG5120, MG5220, MG6120, MG8120 printers 5 Pack US patent Canon PGI-225 CLI-226 refillable ink cartridges (without chips!) Pre-Made hole with rubber cap, easy to refill! Nano premium 30ml water-based pigment black refill ink + 4x30ml dye ink, with vivid color! Easy to refill! Top quality refill ink! Shelf life: 2 years.