ND &trade; Brand Dinsink: 10 Pint Pigment Refill Ink kit (PK/C/M/Y/LC/LM/R/GY/MK/GO) for Canon PGI-72, PIXMA Pro-10. The item with ND Logo! 10 bottles Premium Pigment Refill Ink : PK/C/M/Y/LC/LM/R/GY/MK/GO Particles: &lt;0.5 micron (Average&lt;100 nanometer); Stability:No settling in 2 years (at normal storage) This ink will not fade before 3 years posting outdoor and 200 years in album Waterfastness: 5 (Excellent); Gasfastness: 5 (Excellent); Rubfastness: 5 (Excellent)