This 44" x 39' roll of William Turner 310 Matte FineArt Paper from Hahnemuhle features a 310 gsm paper that was designed for archival purposes. It is mould-made from cotton rag to produce a textured matte finish. This gives it a heavy weight, which combines with a 24.4 mil thickness for a professional look and feel. Also, the paper features an 88.5% whiteness and an opacity of 99% for a classic white finish. For archival purposes no optical brighteners were used in this paper. It is acid-free and calcium carbonate buffered to avoid negative effects from the environment. Additionally, William Turner paper is instant drying and water-resistant. It comes on a 3" core.