Eagle Creek Travel Gear RFID Blocker Sleeves, White, One Size Lightweight and compact RFID protection solution Tear and water-resistant Specially coated paper with unique conductive layer helps to protect personal information on credit cards up to a frequency range of 13.56 MHZ Shields enhanced drivers licenses (issued in WA, MI, NY, VT), select transit cards, and European sQuid cards 3 per pack Lightweight and compact RFID protection solution Tear and water-resistant Specially coated paper with unique conductive layer helps to protect personal information on credit cards up to a frequency range of 13.56 MHz Shields enhanced driver's licenses and other types of domestic and international cards 3 per pack