This 9x12 hard cover book features a double wire binding allowing you to work on a completely flat surface while away from your studio. It contains 50, 90lb weight, cold pressed Montval watercolor sheets. This legendary paper is stiff sized and beautifully takes watercolor, pastel and drawing media. Montval is a great paper that really stands up well to most techniques. This all-media book will fit into Sketch Folio brand field organizers for the ultimate travel experience.