I used to have my car painted with the type of reflective material that you are looking for, house of Kolor made it, I did this about a year and a half ago

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My car was black with a design on the sides like the Veilside cars , and the design was in reflective gold.
Basically what it is is a reflective base(silver) that you do your design in and then you go over it with a candy(transparent) color of your choice.
I also tried vinyls although the didn't have anything i found that gave me the reflection I wanted. with the paint you get a reflation similar to that of the designs that are on cops' vehicles- the only difference was that when not under light the vinyl reflective material seemed dull and the paint held it's shine
I also tried the vinyl wraps that cover your whole car- mainly because it was cheaper than a full paint job.
it also was not as glossy as a real paint job, but it was like $800(everything on my car is molded so is was a little higher since it all had to be done in one peicesheet) and you can do any design/graphics you want plus if you ever get in a wreck they keep the design so that that way you can just redo a panel rather that the whole car to get a perfect color match
This post has been edited by dans_st: Jan 16, 2006 - 2:37 AM