FawkesBOX Smartphone Faraday Cage Shield - Cell, Bluetooth & Wifi Signal Blocker for iPhone X and phones 3"x6". Copper rated -160 dB of shielding to hide your cell phone signal on the grid. FawkesBox blocks cellular, Bluetooth, and Wifi signals. Find the dB shielding rating before you buy another Faraday Shield so you know what you are getting. Aluminum Bags get -44dB on average. FawkesBox shields iPhone X to -160 dB (unusable signal) in field tests on youtube and FawkesBox websites. Forensic Protection from tracking, data hacking and video/audio spying while in the FawkesBox. Hint: Use a pager while smartphone is in the Box to know when and who is calling. Then you can move to a safe area to return calls. Fits iPhone X (iPhone 6, 7, 8 but no plus sizes) and Cell phones and Cases up to 3" x 6" x .625"