Canson XL Series Drawing Paper Pad, Micro Perforated, Smooth Surface, Side Wire Bound, 70 Pound, 5.5 x 8.5 Inch, 60 Sheets (400054490) Smooth surface that erases cleanly These wire bound pads have micro perforation for an easy removal Great for use with pencil and suitable for colored pencil, pen, ink, charcoal, and pastel This 5.5 x 8.5 inch pad contains 60 sheets 70 pound/114 gram acid free paper