Coolous's new Country Impression Series for the iPhone 4 ($25) is a collection of rather basic plastic shells, set apart from the pack by the unique international graphics the company has made available. Both the top and bottom are fully open, leaving access to the headphone port, Sleep/Wake button, and Dock Connector port. On the left are separate openings for the side switch and volume buttons; they are sized to fit only GSM iPhone 4s. The hole…
