Canson Comic Manga Illustration Paper Pad with Preprinted, Non-Reproducible, Blue Lines, 150 Pound, 9 x 12 Inch, 20 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 20 sheets of 9 x12 inch Acid free 150 pound/250 gram paper