These sketch books from Winsor & Newton feature 110gsm, slightly-textured paper that is suitable for sketching and drawing across all dry media like charcoal, graphite or colored pencils. The paper is acid-free and FSC certified and sourced from responsibly managed forests. Spiral-bound sketch books contain extra-white paper and hard-bound books contain natural white paper.Ideal for use in studio or on-the-go, These sketch books contain 80 sheets, Paper sheets are micro-perforated along the edge for easy removal, 110gsm paper, Acid-free sheets