Mengshen Car Key Signal Blocker Pouch Case, (3 Pack) Faraday Bag RFID Signal Blocking Bags, Car Anti Theft Protection

Mengshen Wireless Security keys & privacy

1 HN user recommended this in 2016, in one comment.

20072026

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What HN users said

hammock 2016-01-15 linked amazon.com View on HN

Here's a different one with a few more reviews

View on amazon.com

Plain Amazon links. We earn nothing from them.

What Amazon says

Please Attention: Small size, It is only suitable for car key, NOT cell phone.
Signal Blocking Pouch: Faraday pouch can blocks EMP, calls, SMS, Wi-Fi, 4G, Bluetooth, RFID, NFC and car key fob signal in just several seconds!
Car Anti-Theft Protector: This car key signal blocking pouch can block key fob signal, prevent thieves amplifying your fob signal and enter your car, stop your vehicles being stolen.
Widely Use: This Anti-Theft Faraday Bag is compatible for Keyless Car Key Fobs and Phone under size 5".
Satisfaction Guaranteed: If you're not satisfied for any reason, we offer MONEY BACK GUARANTEE, no questions asked. Please Attention: There are 2 layers, only the inner layer has signal blocking function.

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