Canson XL Series Drawing Paper Pad, Micro Perforated, Smooth Surface, Top Wire Bound, 70 Pound, 9 x 12 Inch, 60 Sheets (100510936) Feature paper with a smooth surface that erases cleanly Wire bound pads Micro perforation for an easy removal Contains 60 sheets of 70 pound/114 gram paper Acid free 9 x 12 inch paper