I did mine on a 1970 Dart. The decals are a matte. I bought the set of bumblebee stripes from Year One (which was apparently made on 3M backed paper) and I applied them with a help of a friend...they went on very easy. 2 years later the top stripe was faded away and the sides were still semi gloss. A year after that stage the top decal on the trunk started peeling apart.

I eventually had mine painted on at the next paint job, under the clear coat and it looked Fan tastic.