DefenderDefender Signal Blocker Mini 2 Pack - RFID Blocking Faraday Pouch - Police Accredited Car Key Signal Blocker Pouch - Protection for Keyless Fobs - Works With Remote Entry Keys

Works brilliantly. I've sat in the car and tried to start it, but no signal gets through. The only annoyance is that it comes with an internal key ring to attach your key to so that it doesn't get lost and also prompts you to use the pouch. I found it annoying and made it more difficult to get the key in and out, so just removed it. Slips into a pocket perfectly. Too small for a phone. Well made. Cheap. Velcro seems to work well. Would buy again.

Slightly smaller than a wallet, with durable canvas material, inner lining and velcro seal, this is a functional and conveniently sized pouch for a single keyless fob that fits easily inside most pockets. The inner lining with the signal blocking property extends beyond the 'lip' of the pouch so that it folds over along with the flap, completely surrounding the fob. Even while sat inside the vehicle, my car doesnt register that there's a key present while it's inside the pouch. I have to remove it from the pouch to drive. That's a clear indication that it works.There is short lanyard and keyring for attaching the fob so that it stays with the pouch. Good buy and kind of a necessary one for these kind of keyless car fobs.

Update 14/02/2023:I downgraded from 5 stars to 4 stars.After 2 months, the Defender pouch I was using every day had begun to leak signal.I spoke to Solon Security to confirm the length of the warranty, and is 12 months.I then spoke to Amazon, who agreed to refund the full amount of the transaction (even though the 2nd pouch still worked correctly).I then purchased another pair of Defender Car Key RFID Signal Blocking Faraday Pouches from Amazon.I will continue using the 3 pouches and will update this review again in August or September 2023.Update 05/11/2023:The second pouch failed after 5 months of use.So it seems that you only get a few months use out of each pouch before the signal starts leaking.I have been reading up on this and apparently it is normal, due the material and stitching gradually degrading over time.So even though the warranty is 1 year, I feel that it is still excellent value for the price.So I will keep this product at 4 stars because I have got 7 months of signal blocking for only £4.95.=========================================These Defender pouches are manufactured by Solon Security Ltd and are accredited as meeting the Police Preferred Specification by Secured By Design, (the official police security initiative that is owned by the UK Police Service).I bought a pair of these for just £4.95, which I think is incredibly good value.Each pouch has an attached key ring for you to attach your car fob, so that they always remain togetherThe pouch totally blocks the radio-frequency identification (RFID) when the key fob is fully within the signal blocking faraday pocket.I know this, as I am unable to lock or unlock the car when the fob is completely inside the pouch.Nor am I able to start the ignition with fob inside the pouch.This is a great device that stops potential thieves from being able to relay the signal from your key fob, to steal your vehicle when you are not nearby.I bought a pair, so that I have one for my main car key fob, and another for my spare fob.The spare fob is obviously kept securely inside the Defender pouch at all times, which is then tucked away in a drawer back home.I also have a third RFID faraday pouch (bought separately) that I keep inside the glovebox.At £4.95 a pair, each pouch costs only £2.48 and will not last forever (as stated by other users in a few reviews).I keep the spare in the glovebox just in case the Defender pouch I am using starts to leak signal, so I can then switch over pouches, thus keeping my car as safe as possible.Like I said, this is a great product at an incredibly low price.Thoroughly recommended.

Arrived on the date promised. Excellent blocking of signal when key is in the Faraday pouch. Small enough to fit in my jacket pocket.

I purchased two Faraday bags from Amazon to block my car key fob signal, as a previous purchase from a well-known high street store (starting with "H") failed from day one and had to be returned. Initially, these Amazon bags worked perfectly, effectively blocking the signal for about three months. However, they then completely failed, allowing the fob signal to transmit even while inside the bags.This is highly disappointing, as I expected a much longer lifespan for such a product. While they started well, their performance deteriorated far too quickly. I cannot recommend these Faraday bags and will be seeking a full refund.

Cost effective and work well.

I've purchase so many car blocker pouches and they failed to work , this design appears more robust and so far I have security great price too

These work fine when new, but they should be tested often. We have to fold one of ours to fit it in our key safe, and that one has failed after about a year. We only use the car two or three times a week, so that's not a lot of folding. We've had to buy a small aluminium key box instead.