Epson professional proofing papers are perfect for color-critical, accurate proofing. Optimized for use with Epson ink, they deliver superior color accuracy & stability for general proofing, imposition & contract proofing. To ensure color accuracy, Epson proofing papers feature base colors that approximate those of the stock used in the actual printing process. When used with Epson ink, they offer a wider color gamut, so you can accurately reproduce more colors. Sheet / Roll Size: 44" x 100 ft; Paper Grade (gsm): 240 gsm; Paper / Media Thickness (mil): 9 mil; Paper / Media Color(s): White.