Sketchbook features heavyweight sketch paper to let you use a variety of art mediums. Perforated pages allow easy tear-out with clean edges. Sketch and store pockets let you keep sketches safe and accessible even after they are torn out. Archival-quality paper is acid-free, lignin-free and fade-resistant to keep your sketches looking their best. Wire-bound pages allow the book to open completely on your desk for easier use.