The Fabriano Drawing Fat Pad features 150 sheets of 70 lb. (120gsm) high-quality lignin- and acid-free cellulose paper, guaranteeing long conservation over time. The paper is also FSC certified from responsibly managed forests. Its internal and external sizing render it resistant to repeated erasures, and its slightly textured surface makes it ideal for all sketching and drawing applications. The pad is top spiral-bound.