The Baohong Artist Grade Watercolor Paper Block is a premium quality watercolor paper suitable for professional artists, students, and enthusiasts who demand the best in their artwork. The paper block is made from high-quality, acid-free, and archival-grade cellulose pulp, ensuring that your artwork remains vibrant and beautiful for years to come. This watercolor paper block features a cold-pressed surface texture that provides excellent tooth and allows for easy color absorption, making it ideal for watercolor painting, gouache, and other water-based media. The block is glued on all four sides to prevent the paper from buckling or warping when wet, making it convenient to paint on without the need for stretching or taping down. The Baohong Artist Grade Watercolor Paper Block comes in various sizes, ranging from 4.9" x 7" to 16" x 12", and contains 20 sheets of 140lb (300gsm) watercolor paper per block. The paper block is easy to transport and store, making it perfect for artists who want to work en plein air or in a studio setting. Overall, the Baohong Artist Grade Watercolor Paper Block is a high-quality product that provides excellent performance, durability, and value for your artistic needs.