3dRose db_89841_1 Hawaii, Big Island, Humpback Whale - US12 PSO0028 - Paul Souders - Drawing Book, 8 by 8-Inch 8 x 8 Inch spiral bound hard covered 9/16 inch twin loop wire binding spine 50 pages, 8 x 7.75 Inch - page thickness is 80lb text Acid free blank bright white non-coated paper Pages lay flat when book is opened