Pentalic - Illustrated Sketch - White Cover - 5.5x3.5 - Pentalic Illustration Sketch Pads contain acid-free, cream colored, 45 lb. (70gsm) smooth surface paper that is excellent for use with pencil, pen and ink, fine line or micron markers, ballpoint pens, and technical pens. Pentalic Illustration Sketchbooks are a hand made hardbound book that has 200 pages, an elastic closure, a ribbon marker and a pocket in the back. Signatures are sewn in; and Pentalic Illustration books will lay flat so the artist can draw across the page. This pad is 5.5 x 3.5 inches with an White colored cover and contains 200 pages of quality sketch paper.