SUPER MINIMALIST SLIM: convenient to be carried around in your front or back pocket, soft and durable; RFID BLOCKING TESTED APPROVED BY INDEPENDENT LAB TESTS. Our wallets have been tested for 13.56 MHz Frequency in which our credit cards, debit cards, driver license and ID cards operate; ENHANCES PERSONAL SECURITY: We leverage top RFID technology to block RFID signals used to electronically scan your wallet as someone passes by unnoticed. This keeps your vital information in driver; license, debit cards and credit cards from being stolen FUNCTIONALITY: Our RFID wallet not only offers security, it's also very functional for you to place your most frequently used cards; CUSTOMER SERVICE: If you?re not happy or aren?t satisfied for any reason, please contact us at any time. Description NOTE: Our wallets have been tested for 13.56 MHz Frequency in which our credit cards, debit cards, driver license and ID cards operate.But the signal of some ID badge, access cards and hotel room cards which operates in 142 KHz, can not be blocked by this wallet.