Description This item is a pack of 10pcs aluminum foil holder, which can avoid bank card, the second generation ID card, information card, social security and other magnetic disappear or information leakage. Features - Color: Silver.- Material: Aluminum.- Size: 9.5 * 6.3cm.- Prevents electronic pick-pocketing.- Neutral and inconspicuous design.- Protect yourself from payment fraud and other difficulties.- Can avoid bank card, the second generation ID card, information card, social security and other magnetic disappear or information leakage.- Slim enough that you can put your shielded back in your wallet where you normally keep it.- Makes a very thoughtful gift to family and friends.Packing list: 10 * Passport Credit ID Anti Theft RFID Blocking Sleeve Shield Waterproof Protector Secure Holder (Silver)