ID Stronghold sells more RFID badge holders for security cards to US Government Agencies than any other manufacturer. The US Patent Office even called us a Stronghold of Ingenuity in their publication! Don't let your business's access cards go unprotected any longer. Get secure badge holders for your ID cards today. Our smartcard holders come in many colors such as clear, black, blue, red, yellow, orange, green, pink and purple. To meet your needs we have both horizontal landscape and vertical portrait card holders. Quantity Discounts Available.