SHANSHUI RFID Blocking Primely Genuine Leather Credit Card Wallet for Women 100% GENUINE LEATHER -- made with the finest grade Lychee pattern genuine leather, soft and strong. RFID BLOCKING - tested & approved by independent test Lab for frequency 10Mhz to 30Ghz, including 13.56 MHz in which our passport, credit cards, debit cards and ID cards operate;but NOT bolck any old Khz signal,easy to Shield against unauthorized RFID NFC and BLE scans. 12 RFID Block Card Pockets, Big Currency Pocket, 2 Seperated Card Pockets,One Transparent ID/Picture Window DOUBLE METAL ZIPPERS are durable, easy to open and close. SIZE:11.2x8.5x4.5cm(4.3x3.35x1.8 inches);weight:144g(5oz) RFID is also called radio frequency identification technology which is a kind of communication technology,through radio singals to identify specific targets an to read and write data. Do you know most of ID CARD,BANK CARD and PASSPORT CARD are setin the RFID chipset? The RFID reader and NFC can read them with in 10 feets(about 3m)no need touching. SHANSHUI Credit Card Wallet made with RFID Blocking Material,protect your credit cards, debit cards and ID cards&#039;s personal message from stolen by thiefs. ID/Picture Window Double Metal ZIPPERS are durable, make it smooth and easy to open or close. It can be expanded like an accordion with 11 card slots and 2 cash slots. It can store and organize your business name cards, credit cards, coins, cashes, driver&#039;s license, ID card, coupon, tickets and more. Made with premium genuine leather, providing a firm grip and durability. The product is endowed with fine texture and comfortable tactile impression.