Description : RFID Blocking Mobile Phone Holder Anti-Tracking Anti-Spying GPS RFID Signal Blocker Pouch Case Bag Handset Function Bag Size:19cm X 10cm (mobile phone with 6 inch screen) Material: The RFID Blocking Bag use high quality oxford cloth outside, the Ionized silver anti radiation material is inside Technical parameters: attenuation strength 90DB Functional efficiency: 99.99% |