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4.7
1000+ Verified Reviews
Protect Your Money, Data & Identity With CautionCard
Stop RFID Scammers Cold Before They Steal Your Data
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Instant RFID blocking: Stops skimmers in their tracks.
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Slim & Light: Fits any wallet without bulk.
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Built to Last: Waterproof & tear-proof – lasts 3+ years.
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Active 24/7 Protection: No charging needed.
SECURITY EXPERT APPROVED
TESTED & VERIFIED UNHACKABLE
30-DAY MONEY-BACK GUARANTEE
100% CARD SECURITY GUARANTEE
100% Protection With CautionCard
CyberShield RFID Technology that Blocks All Scans
Stops Unauthorized Scans
Ultra-Wide Protection Radius
Protects All Contactless Cards
No Charging or Batteries Needed
Ultra-Slim & Lightweight
Tear-Proof & Water-Resistant
Simple, One-Card Solution
Travel-Essential Card Security
Stops Unauthorized Scans
Ultra-Wide Protection Radius
Protects All Contactless Cards
No Charging or Batteries Needed
Ultra-Slim & Lightweight
Tear-Proof & Water-Resistant
Simple, One-Card Solution
Travel-Essential Card Security
The #1 RFID Blocking Card
Your Wallet and Your Money – Fully Protected 24/7
Stops Most Advanced Scanners
RFID skimmers don’t need your wallet – they just need a scanner. CautionCard blocks unauthorized scans instantly, keeping your credit cards, IDs, and passports safe from hidden threats. Whether you’re in a crowded airport, shopping mall, or café, your data stays secure.
No Replacements or Charging Needed
Forget flimsy sleeves or bulky RFID wallets that wear out too fast. CautionCard is waterproof, tear-proof, and built to last for years, giving you long-term protection that withstands even the toughest moments. Plus, it works instantly – no setup or charging required.
Ultimate Card & Data Security
Today’s digital thieves use high-frequency RFID scanners to steal data from several feet away, even through wallets and bags. CautionCard creates an instant, ultra-wide shield, stopping skimmers before they can strike.
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Works Instantly
Just slide it into your wallet. There’s no activation, setup, or hassle.
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Ultra-Discreet
At just 1.1mm thick, CautionCard fits seamlessly into any wallet or purse without adding bulk.
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Protects 24/7
With no batteries, charging, or apps needed, your data stays secure at all times.
The Most Advanced RFID Shield for Your Wallet
Unbeatable Protection in a Sleek, Discreet Design
With digital thieves using advanced RFID scanners to steal personal data, CautionCard gives you instant, 24/7 protection. Just slide it into your wallet, and you’re protected.
CyberShield Technology
CautionCard creates an ultra-wide invisible shield that blocks RFID and NFC signals, making your cards completely invisible to digital pickpockets. Unlike standard RFID sleeves, it protects everything in your wallet at once.
For All Contactless Cards
CautionCard protects debit cards, passports, driver’s licenses, transit cards, hotel keycards, and more. Any card that uses 13.56 MHz technology is shielded, ensuring your most important documents stay safe from unauthorized scans.
Zero Setup & Maintenance
CautionCard activates the moment it’s in your wallet, working 24/7 to block RFID skimmers without any extra effort from you. Just carry it like a normal card and enjoy seamless, hassle-free security anywhere you go.
Sleek, Minimal Design
CautionCard is ultra-slim and lightweight, slipping effortlessly into any wallet or purse. There’s no bulk or extra weight – just top-tier security in a stylish, discreet design that looks as good as it performs.
How CautionCard Works
1
Slide It In
Place CautionCard in your wallet, next to your credit cards, IDs, or passports.
2
Instant Shield
The card creates an ultra-wide protective barrier, blocking all RFID scans instantly.
3
24/7 Security
Now your cards are always secure, no matter where life takes you.
Fits Any Wallet Effortlessly
Instant, 24/7 RFID Protection
Fits Any Wallet Effortlessly
Instant, 24/7 RFID Protection
Fits Any Wallet Effortlessly
Instant, 24/7 RFID Protection
Fits Any Wallet Effortlessly
Instant, 24/7 RFID Protection
Our Customers Finally Feel Protected
Take Control of Your Security and Stop Worrying About Digital Theft
CautionCard gave our customer peace of mind and changed the way they protect their money and identity. You can protect yourself too!
James
I really used to think digital pickpocketing was just fear-mongering. Then one day, I noticed an unauthorized charge on my credit card after going to Italy. My wallet wasn’t stollen or anything but some of my money was gone!
That’s why I decided to get CautionCard. Now I feel much better knowing that nothing like that will ever happen again.
Kenneth
I had an RFID-blocking wallet thinking it was the best option, but honestly it was too bulky and annoying to carry. Especially since I like keeping my wallet in my pocket. A friend showed me CautionCard and it’s much better. I just have it my regular wallet at all times and don’t think about it twice. It’s nice not having to fiddle with a hefty wallet twice the size of your fist.
Patricia
I’ve always worried about digital theft, especially in airports and busy cities since I travel regularly for work. It’s embarrassing, but I even used to wrap my credit cards in aluminum foil because I didn’t trust other RFID protectors. Getting CautionCard was a much better option! It fits so nicely in my wallet and it protects all my cards at once!
Why CautionCard is the Smarter Choice
No Other Protector Comes Close
RFID-blocking sleeves and wallets can offer some protection but often only work for one card at a time and wear out over time. CautionCard shields your entire wallet instantly, lasts for years, and requires no extra effort.
Comparing Our Product To Other RFID Protectors
RFID Sleeves & Wallets
RFID Sleeves & Wallets
Instantly Blocks All Scans
Protects All Cards & Passports
Slim & Lightweight
Lasts Years
Easy to Use
No Charging or Setup
Travel-Friendly
Thousands of Happy CautionCard Users
Read the reviews from happy CautionCard customers around the world!
4.7
1,892 reviews
1
0
2
4
3
14
4
736
5
1,138
97% of reviewers would recommend this product to a friend
Thomas P.
Verified customer
Verified customer
6 days ago
I recommend this product
6 days ago
Easiest security upgrade I ever made!
I used to worry so much about my credit card info gettin stolen in the airport and even hotels..no more worries after getting this CautionCard card tho..it just sits in my wallet and protects all my cards..
Was this review helpful?
24
0
Hilda E.
Verified customer
Verified customer
5 days ago
I recommend this product
5 days ago
No more paranoia
I never realized how easy it was for scammers to skim my credit card without even touching my wallet. Thank God a friend told me about RFID theft, and I immediately got CautionCard. Now, I feel way more secure when I’m out shopping or on public transport. One less thing to stress about!
Was this review helpful?
17
0
Frederick D.
Verified customer
Verified customer
5 days ago
I recommend this product
5 days ago
so simple
great knowing my cards are always protected with out me having to do any thing
Was this review helpful?
26
0
Matthew V.
Verified customer
Verified customer
4 days ago
I recommend this product
4 days ago
Perfect for frequent travelers like me
After getting my money stolen SEVERAL TIMES IN THE AIRPORT OF ALL PLACES i finally had enough and got the CautionCard card. I finally feel like i have some real protection. And what do you think i havent lost any more money since!! This thing works like a charm!!
Was this review helpful?
14
0
George M.
Verified customer
Verified customer
3 days ago
I recommend this product
3 days ago
Keeps the wallet nice and slim
As advertised, keeps the wallet nice and slim
Was this review helpful?
11
0
More Happy Customers
See what our customers are saying!
I dont worry about hidden scams anymore
Its such a small thing but it made me less paranoid abt going to crowded public places.. Never know whos lurking there trying to steal your money!!
Jeri J.
Verified customer
Should have gotten something like this sooner
Last year, someone stole my credit card info without me even realizing it. The bank refunded me, but it was a nightmare to deal with. I just can’t go through that again, so I got CautionCard. Only wish I did it sooner..
Andrew L.
Verified customer
Good
Tiny. Fits into my small wallet no problem. Better than those plastic sleeves.
Margaret R.
Verified customer
REcommending this for fellow travelers
BEWARE that scammers are getting smarter especially abroad. Didn’t know about it and got a big chunk of monet stolen in EUrope. But now i’ve armored myself with this blocker! I’d like to see them try strealng my hard earned money now!!
Bruce R.
Verified customer
Good investment!
Finding out about rfid skimming really blew my mind! And made me quite scared Im not gonna lie since most of my cards have that rfid chip on them! I coulve lost my money and my data so easily and wouldnt even know how it happened! Instantly bought this blocker card for myself and my wife. Can never be too safe about my things!
Horace G.
Verified customer
Actually looks nice!
No more ugly blocking sleeves for me! Don’t even have to take it out just keep it in the waller always!
Joann M.
Verified customer
Highly recommend getting it
I work in cybersecurity so I know how real the risk of RFID skimming is. I tell all my friends and family to get an CautionCard because it’s an easy and super effective solution. If you carry credit cards, you NEED one of these!
Arden B.
Verified customer
Good fix for such a big problem!
Realized I’d been using contactless cards for years without any protection after reading an article about it! Ordered an CautionCard right after and now I feel so much safer. It’s such a simple fix for such a serious problem!
Milton D.
Verified customer
Rated 4.7 – Showing our 4 & 5 star reviews.
“CautionCard was rated as the best RFID-Blocking Card of 2025”
- TopRatings.Review
Meet Our Expert,
Cybersecurity & Identity Protection Specialist
Most people don’t think twice about tapping their credit cards to pay. But what they don’t realize is that the same contactless technology can be exploited by thieves. With the right RFID scanner, someone can skim your card details from several feet away without you ever knowing. I’ve tested dozens of RFID-blocking solutions, and many don’t work as well as they claim. CautionCard is different. It instantly disrupts RFID signals, making your cards invisible to skimmers. It’s slim, requires no charging, and works 24/7 without any effort. If you carry contactless cards, this is the easiest way to protect yourself.
Rudolph Flick
Frequently Asked Questions
How does CautionCard protect my cards?
CautionCard uses advanced RFID-blocking technology to create a 5cm electronic shield around your cards. This instantly blocks skimmers and unauthorized RFID/NFC scans, keeping your credit cards, IDs, and passports safe in crowded places like airports, malls, and public transport.
Do I really need an RFID-blocking card?
If you carry contactless credit/debit cards, smart passports, or RFID-enabled IDs, your data can be wirelessly skimmed without you ever realizing it. CautionCard prevents digital theft before it happens, giving you peace of mind wherever you go.
Will CautionCard interfere with my cards?
No, CautionCard only blocks unauthorized scans. Your tap-to-pay, ATM withdrawals, and card readers still work as usual once you take the needed card out of the wallet.
How do I know if my cards have RFID technology?
Look for a Wi-Fi-like symbol on your card – that’s the sign of RFID technology. Most contactless cards use RFID, but if you’re unsure, you can check with your bank or card issuer.
How does CautionCard differ from RFID-blocking wallets or sleeves?
Unlike bulky RFID wallets or flimsy sleeves that require each card to be placed separately, CautionCard protects your entire wallet at once.
How long does CautionCard last?
CautionCard is built to last for years. It’s waterproof, tear-proof, and highly durable, so you never need to replace it. Unlike RFID wallets or sleeves that wear out over time, this one card provides ongoing protection without maintenance.
Does CautionCard block all types of RFID scanning?
Yes, CautionCard blocks all high-frequency RFID and NFC signals. It ensures your credit cards, passports, and IDs remain invisible to digital thieves.
AMERICA’s #1 Rated RFID-Blocking Card
UP TO 75% OFF FOR A LIMITED TIME ONLY!
This limited-time deal is in high demand, and the stock keeps selling out.
4.7
Try it today with a 30-Day Money Back Guarantee!
SECURITY EXPERT APPROVED
TESTED & VERIFIED UNHACKABLE
30-DAY MONEY-BACK GUARANTEE
100% CARD SECURITY GUARANTEE
