<< The vinyl used for making graphics for Ricers, er, automobiles is very thin.  Not thick at all.  But Ornery's idea is right on the money.  I was going to recommend a fabric store, as I buy my vinyl there (use it for covering trim panels for car stereo installs) but it doesn't have an adhesive backing. >>
That's exactly what I'm doing (interior/stereo work).  K, I'll check a fabric store.  Thanx