Jack Richeson 9-Inch-by-12-Inch Tracing Paper Pad， 50-Sheet<div style="text-align: left;"><strong>[Product Information]</strong><br><ul><li>Acid free sheets</li><li>25-pound/40 gsm sheet weight</li><li>Extremely transparent durable paper suitable for overlays and sketches with pen， pencil， or marker</li><li>Tape Bound Pad</li><li>Sturdy chipboard back</li></ul></div><img src="http://ecx.images-amazon.com/images/I/41k3iv845ZL.jpg" noproxy>