Faraday Bag Signal Blocking GPS RFID Shielding Anti-Tracking Anti-Spying

Protects chip technology "smart-cards" from hackers' RFID readers in the range of 10 MHz - 30 GHz 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 Material:Premium Oxford Fabric+EMF Shielding Fabric 2 x RFID Signal Blocking Bag Dimensions : 10x19cm Color:Brown/Black/grey/etc