Canson XL Series Bristol Vellum Paper Pad, Heavyweight Paper for Pencil, Vellum Finish, Fold Over, 100 Pound, 11 x 17 Inch, Bright White, 25 Sheets Heavyweight, bright white, Bristol paper for high contrast with excellent erasability Vellum surface finish is good for scanning Works well with pen & ink, marker, pencil, and colored pencil Contains 25 sheets of 100 pound/260 gram Acid free 11 x 17 inch paper