This review is for the RIFD blocking sleeves from BLOCKIT. I have to say it holds 1 card only foil lined and I guess it works but I would like to hold more cards for protection. I was just OK with it.
- Genuine BLOCKIT Anti-Theft RFID Signal Blocking Protection Sleeves
High Quality Product, Expensive Copper/Aluminum Material
FIPS 201 Approved by the US Government as Electromagnetically Opaque Shield