RFID blocking material for wallets, purses, sleeves, card holders. Protect contactless cards. 20Khz, 100Khz, 125Khz/134Khz, 13.56Mhz
RFIDsecur Contactless blocking cards, ultra thin and secure by
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RFIDsecur Contactless blocking cards, ultra thin and secure by RFID
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RFID blocking card wallet RFIDsecur™ - now on Kickstarter