1. RFID blocking: The aluminum RFID blocking credit card holder can be applied to interfere with RFID/ NFC signals, preventing your personal or private information from unauthorized scanning and malicious theft, which is a safe and reliable method to safeguard your property and information security. 2. The locking buckle provides secure closure and easy opening, so as to prevent credit cards from falling out and losing. 3. Charming color and luster: You will get 2 pieces of credit card protectors, with charming luster and beautiful appearance, which can easily match your style and reveal your elegant temperament. 4. Convenient to carry: The business card holder is lightweight, compact and easy to carry, and you can put it into your pocket or handbag when travelling, which won't take up much space; The round corners won't cause hurt to your clothes. 5. Specifications: Size: 11 x 7.2 x 2 cm; Material: Aluminum/ABS. 6. The package contains: 1 x rfid-card.