Wisdompro Faraday Bag, RFID Signal Blocking Bag Shielding Cage Pouch Wallet Case for Cell Phone Privacy Protection and Car Key FOB, Anti-Tracking, Anti-Spying Case Blocker - Black, Large
Specially designed and stitched to block RFID signals in the range of 10 MHz - 3 GHz
Convenient and portable - inner silver layer blocks signals, outer Oxford cloth layer can be used as a normal case - a modern and fashionable design
Block Cell Phone Signal - If you don't want to answer the phone, you can put the phone in the silver layer pocket of the bag and close it, then the phone will be disconnected; this bag can also block Cell Phone GPS Signal to prevent tracking, protect your privacy
Block Car-key FOB Signal - Keep your car's security system from getting hacked
Outer dimensions: 10" x 6"; Inner usage dimensions:9.5" x 5.5" - Fits Car-key FOB, Smart Phones.