Aluminum RFID Blocking Credit Card Holder for Men & Women - Cool Slim Metal Business Card Case (Blue Web) High quality plastic wallet with aluminum shell, designed to completely protect your cards' information. Protect Your Identity Data - Block RFID Readers from Scanning Your Credit cards, Debit cards, Banking Information, Smartcards, RFID driver's licenses and other RFID CardsCredit cards, Debit cards, Banking Information, Smartcards, RFID driver's licenses and other RFID Cards Rounded corners Wouldn't cause damage to your clothers. Weather and water resistant & Puncture and tear resistant Using High quality aluminum materials from top manufacturer. 7 Slots. Capacity for up to 9 credit cards Shields the following types of cards: All new contactless credit cards, Enhanced Driver's Licenses such as New York, Washington, Michigan, and Vermont, Many transit cards such as the DC Metro and Boston CharlieTM card, TWICTM (Transportation Worker Identification Credential), HID iClass, HID MIFARE, HID FlexSmart, DESFire, Indala FlexSmart, Any card ISO 14443A/B or ISO 15693 compatible, All MIFARE and DESFire compatible cards, sQuid cards used in Europe, Military CAC (Common Acess Cards), New Government PIV (Personal Identity Verification) cards such as the Linc-Pass, New long range RFID EPC Gen1/Gen2 cards