Tested u0026amp; Approved by Independent Lab Tests. Alpine Swiss RFID Blocking Protection to Stop Thieves from Obtaining Personal or account information. Tested for 13.56 MHz Frequency in which the credit cards operate. If Testing on an HID card please Use an: HnMeasures: 4 1/8u0026#34; x 3 3/8u0026#34; x 1u0026#34;nInside Center Flap with added card capacityn10 Card Slots including a large receipt or card pocket + 2 ID Windows, full size billfoldnFar Superior to many alternatives in the market today made by using household aluminum foil being used inside a wallet Noisy crinkly and most importantly not very effective in blocking signals. Alpine Swiss RFID Protected Wallets are soft durable u0026amp; effectnVery Functional with a large capacity and a relatively small wallet for all that it can carry. Made of soft and durable genuine leather inside and out. Product Features: Measures: 4 1/8" x 3 3/8" x 1" Genuine Leather Inside Center Flap with added card capacity Full Size Bill Section 10 Card Slots including a large receipt or card pocket + 2 ID Windows MSRP $75.00 RFID Blocking: Tested u0026 Approved by Independent Lab Tests in the US. STOPS RFID Theft u0026 Electronic Pick Pocketing. Featuring a unique military grade shielding technology u0026 proprietary blocking material. Superior to many alternatives made from household aluminum foil. Alpine Swiss RFID Protected Wallets are soft, durable and effective. RFID PROTECTED! Built in RFID protection will stop thieves from scanning and obtaining your credit card or other RFID coded information. Guards against unwanted data transfer. RFID: Radio Frequency Identification denoting technologies that use radio waves to identify people and objects carrying encoded chips. These can include credit card information, passport identification or other forms of ID as well as access cards etc. Alpine Swiss donates 2,500 meals every day to hungry children in the U.S. and around the world through our partnership with Children's Hunger Fund. These meals are hand delivered in a Food Pack, which will contain enough food to feed a family of 4-5 for a week to the homes of the needy by trained volunteers in their community, establishing relationships that foster genuine care. Your purchase fuels this effort! Thank you!