MUTBAK Citadel - Passcase Bifold Leather Wallet with RFID/NFC Blocking Leather Bifold Wallet with RFID Blocking Lining for each of 11 Card Slots plus ID Window Provides Places and Protection for Every Credit Card, Business Card, and ID Card You Will Need. Split Billfold Area to Separate Large and Small Bills or Money from Receipts Highest Quality Top-Grain Vegetable Tanned Leather Available, Soft and Builds Character as it Ages Flip up ID Window with Thumb Hole - Wallet Measures in at 4 3/8" X 3 3/8" X 3/4" One-year unconditional warranty for all Mutbak products. Here is what some of our customers have to say: "The wallet successfully blocks the RFID card it amazed me a bit on how well it worked.", "Overall, I really like this wallet. It met my need for something small, but pleasing to the eye", "Excellent quality - fantastic workmanship!"