These Fabriano Artistico Watercolor Blocks are gluebound on all four sides and available in cold-press, hot-press and rough grain surfaces. Fabriano Artistico is ideal for watercolor, tempera, gouache, acrylic, ink, charcoal, graphite and drawing; it is also suitable for printmaking. The paper is sized both internally and externally, making it both absorbent and resilient. The paper is mould-made, produced with 100% cotton, chlorine and acid-free, with vegan animal-free surface sizing. Traditional white is made without optical brightners.