Holographic RFID Blocking Card Holders (10-pack) : ID 5349 : $2.95 : Adafruit Industries, Unique & fun DIY electronics and kits
Attenuo RFID Blocking Card
2 x RFID Blocking Card, One Card Protects Entire Wallet Purse Clutch Card Holder Shield, NFC Contactless Bank Credit Card Protector ID ATM Guardcard Blocker Against Scanning Protection Black by INSTEN -
Amazon.com : Rfid Blocking Shield Guard Cards for Full Wallet Security, 2 Pack of Rfid Blocking Credit Card Size Cards : Office Products
What is RFID Blocking? Why Should You Care, and How Can It Help You? - The Ridge
I-CLIP UK - I-CLIP RFID Shield Set An additional layer of security for those who need it without sacrificing the comforts of your I-CLIP: clarity, overview, lightness and ease of use. https://i-clip.co.uk/i-clip/set-of-rfid -shields.html