Material: Aluminum, Plastic. Put the card into the card sleeve. Cards signal would not lost when you using it.
Card Protectors - 5/10Pcs RFID Protection Sleeves for Credit Cards
TEMU 5pcs/6pcs Rfid/nfc Blocking Cards, Credit Card Protectors, Anti-theft Wallet For All Cards, Nfc Shielding Wallet, Protection Wallet, Providing
Cashier Depot Key Card Holders, Credit Card Protectors, White Paper Sleeves, 2-3/8 x 3-1/2 Inch, White, Compact
Milisten 10pcs Credit Card Holder Sleeves with RFID Blocking Technology Wear-Resistant Aluminum Foil and Pet Material Simple Design Card Protectors for Business Trip and Travel
WATIIFUFU 10pcs RFID Card Sleeves, Id and Bank Card Protectors, Pet Aluminium Foil Pe, Slim Portable Sleeves for Shopping and Travel
