Pacon UCreate Poly Cover Sketch Book, 43 lb Cover Paper Stock, Black Cover, 75 Sheets per Book, 12 x 9 Sheets - Premium sketch book with a durable poly cover and back. Each book contains 75 sheets of heavyweight, acid-free drawing paper. Spiral binding lies flat for comfortable drawing and sketching. It is ideal for sketching and drawing with dry media. Sheets are perforated for final art.