This painting is watercolor on clayboard. I have done this scene previously as a sketch and as a small study. This isn't very large either - 8 X 10 on cradled textured clayboard. I took a picture of it at this angle so it would show the side of the "cradle". It is just a piece of flat "masonite" or hard-board with a textured coating, and is "boxed in" on the back. The advantage, to me, is that when the painting is finished, it's finished, ready to go. It doesn't need a mat, glass, or frame. AND it's fun to paint on.