RFID Combo Pack Secure Sleeves Swirls Collection - Designer Sleeves - RFID Blocking Protective Sleeves - 8 Credit Card Sleeves and 2 Passport Sleeves - Made in the USA First product ever on the FIPS 201 Approved Products List! Includes 8 Credit Card and 2 Passport Sleeves from our most popular collections. Made of high quality advanced four-layer paper laminate for strength. Blocks RFID chips in cards from being read without permission. 100% Made in USA. Share with the family! Government Approved!