FlexWrap will look familiar to people who have seen a basic CandyShell, or any of the co-molded options inspired by Speck released over the years. The case is a single piece beginning with a plastic frame, using rubber on the inside to protect the buttons, the edge around the screen, and two strips of the back. When you place the iPhone inside, it fits tightly and securely. As fans of clicky buttons, we’re very happy with how well the rubber…