Canson Artist Series Mix Media Paper Pad for Wet or Dry Media, Dual Surface with Fine and Medium Textures, 138 Pound, 9 x 12 Inch, 20 Sheets Heavyweight, dual-surface paper: fine and medium textures Ideal for pencil, and colored pencil and suitable for use with pen, ink, charcoal, and pastel Works well with wet and dry media and has excellent erasability 20 sheets of acid free 138 pound/224 gram paper 9 x 12 inch size pad