11x 500ml Pigment Ink for Epson Stylus Pro 7900 9900 printer T6421-T642 Rrfillable ink cartridge and CISS. The package includes : (1)500ml Photo Black (2) 500ml Cyan (3)500ml Magenta (4)500ml Yellow (5) 500ml Photo Cyan (6)500ml Photo Magenta (7)500ml Matter Black (8) 500ml Light Black ink (9)500ml Light Light Black ink (10) 500ml Green ink (11) 500ml Orange Features: PH:~8 Waterproof Ink Particles 0.5 micron (Average<100 nano) Stability:No settling in 2 years (at normal storage) Temperature:-12C no frozen and 50C no gelling Light Fastness:7-8BWS Water Fastness:5 (Excellent) Gas Fastness:5 (Excellent) Rubfastness:5 (Excellent) Waterproof ink Fading-resistant/UV-resistant: This ink won't fading before 3 years posting outdoor and 200 years in album. Shelf life time: 2 Years.Please call or text me @ 647-770-8646 for more details!www.sorentec.ca