This large Blackwing Slate is an A4 hardcover notebook (210 x 297 mm, or double the size of our medium Slate) that works beautifully on a desk. It features 160 pages of 100 GSM blank ivory paper that is perfect for graphite or ink. Every Slate notebook features our signature lay-flat binding, matte cover, and pencil holster that comes loaded with a Blackwing pencil.