Offering the widest color gamut available for accurate color reproductions, this 9 mil version of Epson's Standard Proofing Paper provides a base color, weight and gloss level designed to match color-critical commercial offset press applications. Optimized for proofing applications, when used with Epson UltraChrome K3® Ink, this media delivers outstanding short-term stability. In fact, it’s been officially certified by the IDEAlliance® for GRACoL® 1 with the Epson Stylus® Pro 7900 and 9900 Proofing Edition printers.