That covering material is called Contact-brand I found at Walmart
in the place where you find kitchen shelf covering.
Its like Mactac only much lighter, and has a variey of colors,
on the website www.contactbrand.com I found it, and its caled
Magic Cover there.

http://www.contactbrand.com/MC/mc_home_main.htm

I'm still working on proper iron temp. for application, but I'm
excited about the possibilities with this stuff.