Protect against identity theft with a card holder that blocks radio frequency identification (RFID). Secure personal credit, debit and business ID card information by shielding from unauthorized and unknown access. Secure Two-Card RFID-blocking Badge offers full access for quick and easy removal of cards from blocking material. Card holder meets BAA and TAA Acts so it's ideal for many government applications. Maximum insert size is 3-3/8" x 2-1/8" (86 x 54mm).