1 x Black Cell Phone Signal Blocking Bag, Car Key Cell Phone Signal Blocking Pouch, Anti-Radiation, Anti-Interference Bag Welcome to our store. [100% Signal Blocking] This signal-blocking bag is sewn with shielding material to prevent thieves from amplifying your access control signal and opening your car, and to stop remote access to your phone and keyless entry. No need to consider model or brand. [Smartphone Signal Interference for Various Models and Sizes] Size: Approximately 19.5cm long, approximately 11cm wide (currently, larger phones like the Huawei Mate 8 and Apple iPhone 7 Plus can fit; maximum 6-inch screen phones). [RFID Card Protection] The bag blocks signals from all devices. With advanced RFID blocking technology, you no longer need to worry about personal information being scanned by hackers and thieves. It can be used as an RFID blocking case to protect your cards and protects your privacy by blocking the GPS tracking signal from your phone. Keep your car safe by blocking your car key signal.