Canson XL Series Paper Sketch Pad for Charcoal, Pencil and Pastel, Fold Over, 50 Pound, 18 x 24 Inch, 125 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 125 sheets of acid free 50 pound/74 gram paper 18 x 24 fold over bound