The larger/back pocket is for signal blocking, best for storing car key fobs. The Car Key Protection Shield Pouch is made by RFID Material, it provides the perfect RF signal shielding for the car keys, especially a must-have for keyless-go car keys.
What is a Faraday Bag?, It is a structure that blocks the passage of radio signals., Why do you need the Faraday Bag?, Modern keyless fobs carry
Faraday Bag for Key Fob (2 Pack), TICONN Faraday Cage Protector - Car RFID Signal Blocking, Anti-Theft Pouch, Anti-Hacking Case Blocker (PU Texture)…
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