Travelsky 13621 RFID Blocking Credit Card Holder with 12 Card Slots&ID Window Protect your privacy against RFID Scanner Transmissions High quality material from top manufacturer Capacity for up to 12 credit cards including 1 clear window for ID or drive license Lightweight to fit in pocket or purse Shields ISO 14443/15693 and EPC Gen1/Gen2 contactless smart cards and RFID tags