Arches Watercolor Paper – the ultimate reference paper for professional watercolorists and artists. Made in France since 1492. 100% cotton, made on a cylinder mould, and gelatin sized. The beauty and quality of Arches watercolor papers make them suitable for watercolors, gouache, acrylics, oil and ink. Arches is available in cold press, hot press and rough. Acid-free. 5 sheets per pack.