Canson Xl Series Bristol Pads Are A Heavyweight, Bright White, Bristol Paper For High Contrast With Excellent Erasability The Smooth Surface Finish Is Good For Scanning Works Well With Pen & Ink, Marker, Pencil, And Colored Pencil Each Xl Series Bristol Pad Contains 25 Sheets Of 100 Pound260 Gram, Acid Free Paper This 9 X 12 Inch Pad Has A Vellum Finish