Canson Comic Book Art Boards Pad with Preprinted, Non-Reproducible, Blue Lines, 150 Pound, 11 x 17 Inch, 24 Sheets Heavyweight paper with excellent resistance to erasing and scraping Great for use with marker, pen & ink, and pencil Smooth texture with preprinted, non-reproducible, blue lines 24 sheets of 11 x17 inch Acid free 150 pound/250 gram paper