Abacus24-7 Secure RFID Blocking Sleeve for Credit/Payment/ID Cards by Identity Stronghold - Pack of 25 * ABACUS24-7 BRANDED PRODUCT * - FIPS 201 Approved by the US Government as Electromagnetically Opaque Shield Each holds one ISO7810 ID-1 form-factor contactless Smart Card ( Weather and water resistant / Puncture and tear resistant ) Shields ISO 14443/15693 and EPC Gen 1/Gen 2 contactless smart cards and RFID tags Shields the following types of cards: New contactless credit cards, US Passport Cards, Enhanced Driver's Licenses such as Washington, Michigan, New York, and Vermont, Many transit cards such as the DC Metro and Boston CharlieTM card, TWICTM, HID iClass, HID MIFARE, HID FlexSmart, DESFire, Indala FlexSmart, Any card ISO 14443A/B or ISO 15693 compatible, All MIFARE and DESFire compatible cards, Military CAC, New Government PIV cards such as the Linc-Pass, New long range RFID EPC Gen1/Gen2 cards Weather-, Water-, Tear-Resistent