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🕵️♂️ Lock down your keys like a secret agent—because your car deserves elite protection.
The Mission Darkness Faraday Bag (2-Pack) offers forensic-grade, military-certified RF shielding that blocks signals from 2.4 & 5GHz WiFi, Bluetooth, 5G, GPS, and RFID to prevent relay hacking and unauthorized access to your vehicle. Crafted with triple-layer TitanRF fabric and durable ballistic nylon, these water-resistant pouches fit full keychains and small electronics, providing versatile, portable protection against wireless spying and hacking threats.










| ASIN | B01H1C21O2 |
| Additional Features | Durable, flexible, water-resistant, lightweight, blocks all signals, universal bag for all keyfobs and small electronics, easy to use, dual paired seam construction, quad-layer construction and rolling enclosure. |
| Age Range Description | Adult |
| Best Sellers Rank | #13,516 in Automotive ( See Top 100 in Automotive ) #24 in Antitheft Accessories |
| Brand | Mission Darkness |
| Built-In Media | bag |
| Color | Black |
| Compatible Device Size Maximum | 4.5 inches |
| Compatible Devices | Keyfob |
| Customer Reviews | 4.4 out of 5 stars 2,965 Reviews |
| Enclosure Material | Nylon |
| Form Factor | Pouch |
| Item Dimensions | 5 x 0.2 x 3.25 inches |
| Item Weight | 3 ounces |
| Manufacturer | MOS Equipment |
| Material | Nylon |
| Mfr Part Number | MDFB-K |
| Model Number | MDFB-K |
| Pattern | vehicles |
| Shell Type | Soft |
| Theme | Vehicle |
| UPC | 756970574910 |
| Unit Count | 2 Count |
| Water Resistance Level | Waterproof |
A**A
Just Plain Works!
Mission Darkness Keyfob Faraday Bags are inexpensive insurance to keep your data from getting hacked/intercepted. I keep a spare one in every vehicle, just in case I forget to grab the one that's sitting right next to my keyfob, and assorted real keys! Okay, tell me you haven't done that a few times?!? I have a number of keys for various other security purposes, and I've attached them to a quick disconnect on the keyfob. The extra keys don't allow the flap closure of the envelope to close properly, so they're removed, and done! Tuck it in a back pocket and off I go! Hope this helps.
B**N
Slick enough for James Bond
I've been on the hunt for something to keep my car's key fob from chatting with every rogue signal in the city, and let me tell you, the Mission Darkness Faraday Car Fob Bag is like a secret service agent for my keys. First off, the design is slick - it looks like something James Bond would use. The material feels like it could survive a zombie apocalypse, which is reassuring because if there's one thing I trust less than my ability to remember where I parked, it's the security of my car's key fob signal. Now, about functionality - this bag blocks signals like a bouncer at an exclusive club. My fob goes in, and suddenly, it's like it's in a signal-proof safe. No more worrying about relay attacks or my car deciding to unlock itself because it thinks it's in a sci-fi movie. The size is perfect; it's not so big that I look like I'm carrying around a lunchbox for my keys, but not so small that I'm fumbling around like I'm trying to find a contact lens in a haystack. Plus, it's got this little loop for attaching to my keyring, which is a nice touch. Durability? This thing could probably survive being run over by my car, which is good because I've been known to drop my keys more often than I drop hints. The only gripe? Well, it's not really a gripe, but if it had a little magnet or something to keep it closed, that'd be the cherry on top. But hey, for what it does, I'm not complaining. In summary, if you're paranoid about your car's security or just want to keep your key fob's signals to itself, the Mission Darkness Faraday Bag is your new best friend. It's like putting your keys into a mini Faraday cage - secure, stylish, and it makes you feel like you're in on some high-tech secret. Rating: 4.5 out of 5 stars. Because, let's face it, nothing's perfect, but this comes pretty darn close for keeping my car's keys on lockdown.
A**R
Love it!
Great purchase. Fast shipping, fits my key fob with no issue. Sturdy material, look great and most of all it works. I’ve tried others that did nothing. I am very happy with this product line and will be buying more.
J**Y
Review of Mission Darkness Faraday Bag for Keyfobs
A must for Push To Start vehicle owners. Product works as advertised BUT placing this keyfob bag inside of another larger Mission Darkness bag offers BETTER protection against RF Cloning devices. Mission Darkness bags are of good quality although they are costly. Test the layered bag twice a month while walking around the vehicle and attempting to open the doors. If the door unlocks consider replacing one or both Faraday bags. The keyfob bag plus 2 additional bags maybe necessary for keyfobs with strong signals. Remember to place your spare keyfob in layered Mission Darkness bags. Use this layered approach for phones since their signal is much stronger than a key fob.
M**E
A must have for new car owners!
A must have for a newer car to protect your keyfobs from scanners.
P**C
Block out those unwanted attempts to steal your car.
After watching a few videos about how thieves are now able to get entry and even steal your car, i had to get this. They are using a device that steals the signal from your key fob and transmit it to the car. I have purchased Faraday bags in the past from this manufacturer and I must say they are very effective in blocking out attempts. You can even put your RFID credit cards in this bag without worrying about someone stealing the info. I have tested this particular bag once I got it and I can say it works 100%.
C**G
Buyer Beware! This product stopped working after only 2 months, 19 days of very careful use.
Buyer Beware I bought a Mission Darkness cloth signal blocking Faraday Bag for my keyfob from Amazon, along with other products from their company & received this product on 10/31/25. The cloth signal blocking envelope only worked for 2 months, 19 days & now it won't block the signal, no matter how exactly I close it. I even put my keyfob in a plastic bag each time, before I put it in the Mission Darkness envelope to avoid any wear on the fabric. I was very careful to take care of the envelope. I am very disappointed in the quality of this product and how it stopped working after only 2 months, 19 days, which is unacceptable. I sent feedback to the Mission Darkness people and I hope they respond. I think they should replace the product as it did not last. This product doesn't appear to block the signal for very long or hold up to even the most careful use of it. If they correct this issue and the new product works for longer, I will update my review. Update: The vendor never got back to me or replaced the product despite me contacting them.
M**E
Premium-feeling radio-blocking pouch for keys
High quality, premium feeling pouch for my car keys. Verified to not allow door unlocking, even when right next to my car. Exactly what I wanted.
L**A
Ideal size for my keys
A must for security of your property in the modern world.
F**S
Blocca i Segnali e Protegge la Tua Auto
385 - Mission Darkness Faraday Bag for Keyfobs (2 Pack) - RF Shielding Protective Case for Smart"Always On" Keys Fobs Transmitters Small Electronics Vehicle Security Anti-hacking Block Signal Relay Vi siete mai preoccupati che qualcuno possa clonare il segnale della vostra chiave dell'auto per rubarla? Con la tecnologia sempre più avanzata, questo rischio è purtroppo reale. Le Mission Darkness Faraday Bag per Keyfobs sono una soluzione semplice ed efficace per proteggere la vostra auto da questo tipo di furti. Caratteristiche: Queste custodie schermate bloccano i segnali radio provenienti dal vostro keyfob, rendendo impossibile la clonazione del segnale da parte di malintenzionati. Realizzate in nylon balistico resistente e impermeabile, le custodie sono dotate di una chiusura con elastico per un rapido accesso. Inoltre, includono un passante per cintura per un trasporto comodo e sicuro. La confezione comprende ben due custodie, permettendovi di proteggere sia la chiave dell'auto principale che un eventuale keyfob di riserva. Le dimensioni sono perfette per la chiave della mia Dacia, ma senza custodia. Anche se ha un costo maggiore rispetto ai prodotti di questo genere, questa custodia garantisce una qualità migliore e una comodità nettamente superiore. Un aspetto da considerare: Sebbene le Mission Darkness Faraday Bag siano un ottimo prodotto per la sicurezza dell'auto, c'è un piccolo dettaglio da tenere a mente: ogni volta che dobbiamo aprire la macchina dobbiamo aprire la custodia visto che questa scherma completamente i segnali. Conclusione: Le Mission Darkness Faraday Bag per Keyfobs rappresentano un'opzione valida per chi cerca una soluzione semplice e conveniente per proteggere la propria auto dai furti con tecnologia di clonazione. La confezione doppia è un ulteriore vantaggio.
M**D
Works for my car fob
It works. I used it for my car fob and when it's in the pouch and the cover to the punch folded over and tucked into place as the instructions say, I cannot open the car door. So far so good after using it for a few days.
C**S
Quel prix vaut vôtre sécurité ?
Excellent pour les clés de voiture modernes et pour les cartes de crédit. Une fois à l'intérieur rien ne fonctionne et tout est protégé.
R**A
Faraday Pouch x 2 - Generous size, good quality and design.
First order for a Faraday Pouch pair was through another website. When the pair arrived, sitting in my vehicle, placed my keyless ignition keys in each one and the car started. Returned them immediately. This Amazon option tested the same way - when keys are in the Faraday Pouch - vehicle will not start. Mission accomplished.
Trustpilot
2 days ago
2 weeks ago