Epson UltraChrome HDR represents the latest generation of pigment ink technology. Now utilizing ten colors, including an all-new Orange and Green, Epson UltraChrome HDR Ink produces the widest color gamut ever from an Epson Stylus Pro printer. It is engineered to give you optimum photographic output. This UltraChrome pigment ink provides superior resistance to water, fading and smudging. Ultrachrome Ink allows for truer, more realistic pictures.