Wisdompro RFID Blocking Cards, 6 Pack NFC Contactless Bank Debit Credit Card Passport Protector Blocker for Men & Women, Entire Wallet Purse Shield - Blue

These are working fine. They fit in my wallet like a regular credit card. I just add it to my wallet and that is it.

Great for placing in wallets.

So far so good. I had repeated issues with people scanning my cards through my wallet and making fraud charges against my cards. I bought a six pack of these cards and put them in between my cards as well as in front and behind them as instructed. As I stated previously, so far so good!

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Fits easily into wallet or purse. Great protection of credit cards.

Has worked wonders from the time I put it in my wallet. I have caught stores that have the signal strong on their credit card machine as they tell me "your cards not working." I respond with, I haven't pulled it out of my wallet and why is your machine scanning my cards prematurely." I have also caught young individuals during my travels as they attempt to wave their phones across my pockets and get a fail ping on their device. Works awesome.

There’s literally no way to test them. If they do work there will be no fraud on your accounts. If they are a scam you won’t know until someone scams your accounts.

A cashier allowed me to experiment to see if it truly blocks the RFID and it did. Holding the card below my credit card, the credit card reader could not read my card. It was nice to actually try it like that so that I can rest assured that they really work as stated.