The Skyline Rigid Flex case for the iPhone 4 by ID America looks plain and simply awesome with it's ultra-modern perforated back pattern. The Skyline case is made from a TPU material so it's very durable and flexible but at the same time it is also very rigid. While looks are very important to most, protection and usability are also important. Read more to find out if the Skyline case fits the bill after the cut!