The Winsor & Newton Classic Watercolor Pad is made on a traditional cylinder mold, following a practice that dates back to the 19th century, this paper looks and feels handmade, and is crafted in the tradition of fine paper making. The paper features superior absorbency and resilience in every sheet. Made in France from high quality 100% cotton, it is internally and externally sized, ensuring a resilient, durable surface that won't cockle or warp and can withstand even the roughest editing. The paper is naturally archival and acid-free with no optical brighteners.