Canson Translucent Sketch Paper Roll for Sketching, Layout and Preliminary Drawing with Pencil or Pen, 18 Pound, 18 Inch x 20 Yard Roll, White Great for quick sketching, tracing, drafting, and project overlays Convenient to have in any artist studio and when working on larger scale projects The smooth surface is suitable for pencil and pen Erases cleanly and is acid free 18 inch x 20 yards and 18 pound/30 gram in white