French-made, acid-free, cold press 100% cellulose mould made paper ideal for watercolor, gouache, washes and acrylic. Mounted on two-ply, 1.2mm white, acid-free, lignin-free, archival conservation board. Its textured surface withstands repeated scraping, erasing and washing. These boards are durable, enduring and ready for framing without mounting. The board is buffered, without optical brighteners, and treated to resist mold. Compliant to ISO9706, the standard for permanent paper. Brand: Canson