Arches Watercolour Paper an inimitable paper of the highest quality and is 100% cotton paper. Since 1492, Arches has been producing finest materials for art and literary greats to inspire artists. Over the centuries, quality has always been paramount and today the manufacturing process brings together traditional techniques with the very latest advances in papermaking technology. Arches paper is made in the village of Arches in the Vosges, France. The high-quality water supplied by river provides optimum conditions to produce excellent paper. This legendary paper is still made with natural cotton fibres, carefully selected for their absorbency and durability. Arches Watercolour Paper is mould-made. The cylinder-mould machine ensures that fibres are evenly distributed which makes the paper extremely stable, so it will not warp or stretch when water is applied to it. Its composition with long fibres of 100% cotton gives the paper its strength, beauty, a natural, lasting whiteness and an inimitable touch with the look and feel of a vintage hand-made paper. Arches Watercolour Paper are with 100% cotton fibre content. They are acid-free, pH-neutral, gelatine-sized, Chlorine Free and air-dried. Sheets have two natural deckle edges, two torn deckle edges, and are watermarked and embossed. Arches Watercolour paper is strong enough to handle multiple washes of colour, masking fluid, scrubbing and artist tape without damage to the surface. Each sheet is permeated with sizing to give each fibre a consistent feel and absorbency. Printmakers who desire to use this paper for etching/intaglio should note that for the extra-sizing process usually requires soaking overnight or possibly longer to prepare and soften the surface. Specifications Size: 25.4" x 40". Capacity: 156 lbs.