OPTEXX&reg; RFID/NFC Blocking Sleeve Felix for ID, Credit Card & Payment Cards Theft Protection Case with OPTEXX&reg; Protection; Made in Germany (6-Pack) OPTEXX RFID/NFC Blocking Sleeve Felix with a transparent front For debit- and credit cards, MasterCard PayPass, Visa PayWave ,AmericanExpress ExpressPay, Oyster Card, ID 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 Charlie card, etc. Fits all cards in ISO-format (credit card size) MADE IN GERMANY For debit- and credit cards, MasterCard PayPass, Visa PayWave ,AmericanExpress ExpressPay, Oyster Card, ID 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 Charlie card, TWICTM (Transportation Worker Identification Credential), HID iClass, HID MIFARE, HID FlexSmart, DESFire, Indala FlexSmart, 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 etc. Contactless debit- or credit cards are main targets for data theft. Your RFID / NFC equipped credit and insurance, key, Identity document or e-ticket cards are protected within these sleeve from hidden scanners and fraudulent use. Fits all cards in ISO-format (credit card size), fits easily in wallet card slot. Printed Information on card stays visible due to transparent front. Hard plastic case with a transparent front and with invisible shielding material to ensure maximum security. Shielding Frequency: 125/134 kHz 13.56 MHz 433 MHz 868MHz 915 MHz 2.4GHz Material: hard PVC, moisture resistant and protective. Slot in the front and insertion slide-in. Dimensions: (outside): 3.54 inches x 2.24 inches Weight: approx. 0.211 ounces