TURNER: This high quality, 100% cotton rag, mould-made watercolor board is natural white, acid free, lightfast and extremely age resistant. These pads are glued and gauzed to ensure flatness when wet. The smooth, slightly irregular surface structure is ideal for professional artists. 'William Turner' is suitable for all wet painting techniques: watercolor, lavis, gouache, tempera and acrylic. 300 gsm; 100% rag; matte.