This 25-sheet pack of 8.5 x 11 Photo Rag Baryta Paper from Hahnemuhle features a 100% cotton base with a finely textured gloss surface, barium sulphate, and a 315 gsm basis weight. It provides sharpness, clarity, and color gamut for long-lasting archival prints, as well as instant dry time and water resistance. With its 91% whiteness, 97% opacity, and no optical brightening agents (OBA), it offers a archival-quality, calcium carbonate-buffered paper on a 3 core.