Design Blackberry Skins

I wondered what would happen if you spray painted?
my skin covered with silicone gel for my blackberry and if I drew some designs with markers painting. Cause I spray a small stencil and then draw things around. Would it last forever, or a smear and fade? How I can make him stay forever What kind of spray paint would work well with silicone gel skin cover?
To be depending on what type of paint to be sterilized b using … If you want to last long, get a picture of sterilization that silicon gel suits .. Permanent markers should work well …
Blackberry Curve Candy Skin case with Pink Butterfly design