Zoppen No-Skimming Rfid Blocking Sleeves Passport & Credit Card Holder Protector Shield, 12 Pack (10 Cards and 2 Passports), White Made of a durable Tyvek exterior combined with our shielding material on the inside Designed to be easy to use and compact with wallet to carry on Thin and Lightweight covers to fit all standard passport and card sizes Shield from electronic pickpocketing (EP) all 13.56Mhz contactless credit cards, passports, drivers licenses, ISO 14443A/B or ISO 15693 EPC Gen1/Gen2 contactless smart cards, any contactless card that operates at 13.56 Mhz and above Water resistant, tear resistant, Life time warranty with 100% Satisfication Purchase