-20 card sleeves
Inner silver layer blocks signals
- Block Cell Phone Signal - If you don't want to answer the phone, you can put the phone in the bag, then the phone will be disconnected; this bag can also block Cell Phone GPS Signal to prevent tracking, protect your privacy.
- Protects chip technology "smart-cards" from hackers' RFID readers.
- Block Car-key FOB Signal - Keep your car's security system from getting hacked.
20cm(7.8")x10.5cm(4") - Fits Car-key FOB, Smart Phones like Apple iPhone 7, iPhone 7 Plus, iPhone 6/6s, iPhone 6 Plus/6s Plus, iPhone 5/5s/5c, iPhone SE; Samsung Galaxy S7/S7Edge, Galaxy S6/6 Edge, Galaxy S5, Galaxy S4, Galaxy Note 5, Note 4,Note 3; HTC One, One 2 (M8); Motorola Droid; LG Optimus and More
Only the Inner layer blocks signals!
Please make sure your electronic device is put in the silver layer, and the layer is closed.
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Tencal Car Key Signal Blocker Case Faraday Bag RFID Signal Blocking Bag for Car Fob Security Anti theft Lock Devices Suitable for All Car Key Fob - B07GGWS719