100 PCS Aluminum Foil Card Protective Cover Case RFID Blocking Safety Shield Identity Sleeves Cards Bag, Size: 9.1*6.3cm

Aluminum foil card protective cover case designed to block RFID signals. It provides protection for cards against unauthorized access and damage.

• Product type: Antimagnetic RFID Package
• Compatibility: cards
• Material: Aluminum foil
• Key feature: RFID blocking
• Intended use: Everyday use
• Size: 9.1*6.3cm
• Prevents strong electrostatic interference
• Prevents strong magnetic field damage
• Prevents malicious reading and stealing of personal information
• Extends the effective life of smart cards