Canson XL Series Paper Sketch Pad for Charcoal, Pencil and Pastel, Side Wire Bound, 50 Pound, 9 x 12 Inch, 100 Sheets Medium tooth surface that erases cleanly Great for use with pencil and suitable for charcoal, pen and pastel Micro-perforated sheets which allow for clean removal and use of the full dimensions listed on the cover of the pad 100 sheets of 50 pound/74 grams Acid free 9 x 12 inch paper