Shielding is located in the front cover of the case. There is no shielding in the back side of the case. The reason for this is if there was shielding on both sides of the case, you would not be able to receive phone calls or messages. When talking on your cell phone or holding it your pocket, keep the shielded front cover between your body and device. By keeping the shielded front cover closed between the device and your body, a barrier is created shield the emissions.