Pro Art Premier Sketch Book Hardcover 4"x 6" 70lb 110 Sheets- Features sturdy black-leatherette cover that keeps artwork intact while providing a firm handheld drawing surface. Hardbound spine designed to stand conveniently upright on a bookshelf while the binding permits drawing across the pages. 70lb/114gsm acid-free white sketch paper is suitable for all dry media and ideal for sketching, classwork, and writing. Paper is sourced from certified sustainable forests.