Whether you want to protect yourself from cyberattack, need to be untraceable, or just want to go completely offline, SLNT's Faraday Phone Sleeve can accommodate. It's built with a patented Silent Pocket Faraday cage that blocks all manner of wireless communication, including cellular, WiFi, Bluetooth, GPS, RFID, and NFC signals, as well as EMP and EMF radiation. Three sizes are available, with either a weatherproof nylon or top grain leather exterior, a non-shielded slip-in pocket for small accessories, and a secure magnetic closure.