Check the listing for details. 10Pcs RFID Blocking Sleeves Identity Theft Credit Cards Protector Holders Black. Condition: New. Listed at 8.60 USD. The RFID-blocking card sleeves are mainly used to protect the cards from external damage. This card holder is suitable for a variety of card types, such as bank cards, ID cards, and other RFID-enabled contactless Cards.Specification:Color: BlackMaterial: Aluminum, PlasticSize: 92 x 62 x 0.3mm /3.62 x 2.44 x 0.012 inch (L x W x T)Packing List: 10 Pcs x RFID Cards SleevesAdvantage:The product is made of aluminum material, good corrosion resistant, which can protect the card better.The RFID-blocking card sleeves are equipped with advanced RFID Secure Technology, which can protect your information.Instruction:It is easy to use and perfectly fits in your pocket with its small and thin size. Just put your cards into the card sleeves, and the card signal would not be lost when you using it.