Moleskine Art A3 Watercolour Notebook: Black. This sketchbook is ideal for coloring with watercolor pencils and paints. It features cold-pressed cotton blend paper that stands up to eraser use and can handle large amounts of water on both sides of the page. The sketchbook has a hard cover, rounded corners, and a classic elastic closure. It is an A3 size notebook with 60 pages and dimensions of 29.7 x 42 cm.