The SGP Carbon Fiber Back Film for iPhone 4 is a high quality cover skin for the Apple devie made in Korea. It's a eco-friendly product with no harmful subastances. The soft texture of the skin is made of Polyurethane. 100% customized luxurious pattern design and made in Japan. The film is sized to specifically fit for the iPhone 4. It's easy to install. The silicone adhesive attachement mades it easy to remove and re-install. These SGP films are compatible with the SGP and Apple bumpers. Included with this set, the Anti-UV Rays coated Screen protectors gives your iPhone 4 the ulimate style as well as protections front and back!