Identity Stronghold Secure Badge Holder Duolite, Blue, Pack of 10 (IDSH2004-001B-PACK10-blu) Blocks RFID chips in cards from being read without permission Holds 2 ISO7810 ID-1 (standard credit card size) contactless smart cards Open face design allows for clear visual inspection of cards while in holder 100% Made in USA FIPS 201 Approved Products