100pcs Aluminum Foil RFID Blocking Credit Card ID Bank Card Case, Size: 9 x 6.3cm (Black)

Aluminum foil RFID blocking credit card cases protect cards from unauthorized scanning. Each case is designed for everyday use.

• Product type: Antimagnetic RFID Package
• Compatibility: Credit Card
• Material: Aluminum Foil
• Key feature: RFID blocking
• Color: Black
• Intended use: Everyday use
• To prevent strong electrostatic interference
• To prevent strong magnetic field damage
• To prevent unauthorized reading and theft of personal information
• To extend the effective life of smart cards
• Small size, portable
• Bright and eye-catching color