Arches Watercolour Paper is an acid-free, 100% cotton paper, which lends the product resistance, stability, and a characteristic feel. The traditional production process on a round cylinder gives the item a varied, harmonious texture: cloth, fine, or satiny. Surface sized 'inside' and dry on the surface, the colours are rendered beautifully even after scratching and gumming. Its natural dye and antifungal protection ensures its excellent permanence. Recommended for watercolours, poster paint, acrylic, ink, calligraphy. May be used on offset typography. Identification: Arches® France distinctive watermark and dry stamped.