Ruled art boards are designed with rulers along the edges of a traditional comic book border. Offering the artist a quick way to layout and start illustrating their page. Lines are printed with Blue Line Art�s non-photo blue ink. Offering the artist a 10 x 15 traditional image area. Ruled Pro Comic Book Art Boards are print on Blue Line Art�s Pro series of boards (see Pro Comic Book Art Boards for more information about the quality of the boards).