True Power offers the ThinSkin Personalization Films for iPhone 4 that let user customize and colorize their iPhone 4, adding a splash of color like matte black, white, neon green or raspberry glitter. The films are available in many colors including fluorescent, metallic, and opaque colors from ultra glossy to matte black.
The non-conductive films also help boost the antenna performance of iPhone 4 and protect it from bumps and scratches. Available in a set of two, the ThinSkin is priced at $19.95 and you can find at Amazon.com.