Thickness of the Silhouette stencil sheets?

I see that they are 12x24 inch sheets, but nothing lists the thickness.  I have very, very thin stencil material that I bought at AC Moore, and which my Cameo cuts just fine, but I would like something thicker, more like the Kiwi Lane templates are made from.  I want to use it for tracing with a pencil, just like old fashioned stencil templates and Kiwi Lane templates are used.  The material I have is far too thin to use for tracing with.

if the Silhouette stencil plastic is ultra thin, is there any other stencil material available that is a bit thicker and works better for tracing onto paper with pencil?

And will the Cameo cut thicker stencil material?

Thanks!