Our Master's Edition archival paper, in off-white and uncoated, offers museum-quality for art enthusiasts seeking a luxurious way to enjoy world-class artworks: Paper Finishing: Matte, uncoated, natural white (off-white). Acid-Free: pH above 7 to prevent yellowing over time. Paper Weight: 250 gsm (110 lb), Thickness: 0.29 mm (11.4 mils). Available Sizes: 29 sizes in inches (US&CA) and cms (rest of the world). Sustainable Paper: FSC-certified paper for sustainability.