1. Designed to block 13.56MHz high-frequency smart card radio signals, preventing unauthorized scanning and theft of card information. 2. Simply place the smart card and the RFID blocking card together to effectively prevent information leakage. 3. Applications: Bank cards, ID cards, transportation cards, membership cards, campus cards, medical insurance cards and other RFID fields 4. Materials: PVC, PET, ABS 5. Shielding distance: Within 4.5cm on both sides 6. Dimensions: 85.5 x 54mm 7. Note: Minimum order quantity 1,000 pieces
