USD$ 3.80 (Dropshippers can also enjoy wholesale prices.)
To install the case on the iPhone 4/4S you should first put the phone 4/4S in the case from the side where the volume buttons are. Then you need to press the phone until it clips in the case. Don't be afraid to apply more force if needed. In order to remove it from the iPhone 4/4S, you will need to start from the corners of the case first!