The Baohong Academy 100% Cotton Watercolour Paper Block is a high-quality art paper 300gsm specifically designed for watercolour painting and mixed media. Acid and chlorine free archival. Measuring 7 inches x 4.9 inches, this paper is made from 100% cotton, ensuring a smooth and absorbent surface for creating beautiful watercolour artworks. With the renowned brand of Baohong Academy, artists can trust in the reliability and performance of this watercolour paper for their creative projects.