This Anupam A3 premium artist drawing book is made with 140GSM acid-free natural shade cartridge paper that preserves artwork without yellowing over time. Its smooth yet sturdy surface is perfect for pencils, pens, markers, and light shading techniques, making it suitable for sketches, designs, and architectural drawings. The wire-O binding allows the sketchbook to lie flat for comfortable use and easy page turning. With 40 sheets providing 80 usable pages, it offers ample space for detailed illustrations and creative exploration. The A3 size provides a generous working area for professional and hobbyist projects. Its durable construction ensures long-lasting usability and protection of artwork. This drawing book is an ideal choice for students, designers, architects, and artists seeking high-quality, versatile sketching paper.