Arches watercolor paper is mould-made using pure French stream water and only the finest long fiber cotton that produces uniformity, adaptability and longevity. They are gelatin-sized, air-dried and free from lignin, acid and chlorine, making them durable and resilient. This traditional style watercolor paper has two deckled edges and Arches distinctive watermark. Arches packs are available in 140lb or 300lb cold press sheets, in either a natural or bright white finish.