ZAGG invisibleSHIELD Apple iPhone 4 / 4S

Totally invisible and extra durable shield for the back of your mobile phone Apple iPhone 4 / 4S, which will provide excellent protection against scratches during transmission, which will fare well against a very strong scratch. The film is also unlike normal rougher to the device you just can not slip off. The application is very easy and flawless, thanks to an application bundled solution that simply applying, foil, cloth and aligning get rid of air bubbles.
Specifications:

Intended for:
Apple iPhone 4 / 4S (rear)
The big advantage is a lifetime warranty and the fact that the material of the film was originally developed to protect helicopter blades and thus passed the stringent testing of the US Army.