Faraday Key Fob Protector – Leather Pouches

Leather Faraday Key Fob Pouches — Picked by Use Case

Also called a Faraday key pouch or Faraday key fob pouch — a small soft pouch that shields your car key's signal. Want a rigid Faraday key box instead? See the full car-key range.

This collection is our leather key fob line — handcrafted Crazy Horse leather pouches that block your car key's keyless-entry signal to stop relay theft, sized to carry every day. Want a rigid drop-box for the whole household, or a fireproof pouch? See the full car-key protection range.

Best Overall: Leather Key Fob Pouch — Black — $15.99

The everyday pick: full-grain leather, carabiner clip, understated black. Also in Brown and Dark Grey.

Best for Two Drivers: Leather Key Fob Pouch — 2 Pack — $29.99

One pouch per fob — relay theft needs your key's signal, so every fob in the house needs its own shielding.

Best Budget: RFID Signal-Blocking Key Case — $11.95

A soft signal-blocking case if you want the protection without the leather.

Test any of them in seconds: seal your fob inside and try to unlock the car from a step away — it shouldn't respond. Not the format you're after? Compare boxes and fireproof pouches in the full car-key guide, or see all picks in Best Faraday Bags.


What a Faraday Key Fob Protector Does

A Faraday key fob protector is a small pouch lined with signal-blocking fabric. Close your car key inside and its radio signal can't be picked up or passed along. That matters because most keyless car thefts are relay attacks: one device near your key, one near your car, and the car is tricked into thinking the key is right there.

Test it at your car in 10 seconds

  1. Put the key fob in the protector and close the flap fully.
  2. Stand next to your car and try to open the door or start it.
  3. Nothing should happen. Take the key out and it works again.

Repeat the test every few months. Closures and linings wear, and a protector that fails the test isn't protecting anything.

Does your car need one?

If your car unlocks when you walk up with the key in your pocket, it has keyless entry, which is what relay thieves target. Some newer cars use ultra-wideband (UWB) keys that measure distance and resist relay attacks; here's how to tell which kind you have. If your car only unlocks when you press a button, a relay attack doesn't apply.

Leather and fit

Our key fob protectors are full-grain Crazy Horse leather with a signal-blocking lining. The leather darkens and softens with use. They fit most car key fobs; if yours is unusually large, check the product dimensions against your key before ordering. To care for it, wipe it with a dry cloth and keep the lining dry.

Want something to keep by the front door instead? See Faraday bags and boxes for car keys, including a Faraday box that holds several keys at home.

Explore Our Full Range

Discover more signal protection solutions: Faraday Bags - Complete Signal Blocking Collection | Fireproof Waterproof Faraday Bags - Ultimate Protection | Faraday Bag for Phone - Fireproof Waterproof Phone Protection | Fireproof Faraday Bag for Laptop & Tablet - Large Size.

How These Bags Work

Every bag in this collection works on the Faraday-cage principle: a conductive lining redistributes electromagnetic fields around the enclosure, so wireless signals — cellular, Wi-Fi, GPS, Bluetooth, RFID — can't reach a device sealed inside, and the device's own signals can't get out. No batteries, no app: the shielding is built into the fabric, and the seal is what makes it work, so always close the bag fully.

Frequently Asked Questions

How can I test that it works? Seal your phone inside and call it from another phone — if the call doesn't connect, the shielding is working. For key fobs, seal the fob and try unlocking your car from a few feet away.

Can I still receive calls while my phone is inside? No — that's the point. Signals are blocked in both directions while the bag is fully sealed. Take the phone out and it reconnects within seconds.

Do these need charging or maintenance? No. Shielding is passive — no batteries, no setup. Inspect the closure and lining occasionally for wear, since a damaged seal can leak signal.