These Magnani 1404 Watercolor Paper Blocks are 100% cotton watercolor paper. Made with a chlorine free process. These natural white papers are of the the finest quality archival watercolor papers and are available in cold pressed, hot pressed and rough surface. Suitable for watercolor, gouache, and ink.They all feature beautiful covers and a storage bag is included with each block. Imported from Italy, where the Maganani mill has been producing paper since the 15th century.