Electromagnetic wave blocking rate is 99.99998%. The card sleeve use advanced soft electromagnetic shielding material.
PACK OF 10 x RFID Card Sleeve Wallet Blocking Protector Debit Credit Contactless
10 x RFID Blocking Card Sleeve Secure Credit Debit Card Holder Anti Theft
10 x RFID Blocking Card Sleeve-Secure Credit/Debit Card Holder Anti Theft
10 x RFID Signal Blocking **BULLDOG** Card Credit & Debit Card Blocker Protector
10 x RFID Signal Blocking Card. Credit & Debit Card Blocker Protector - BE SAFE
5 x RFID Card Sleeve Wallet Blocking Protector Debit Credit Contactless
