Genuine Black Bison / Buffalo Leather Black Leather Lining Approx. 4-1/2" x 4-1/2" Closed 12 Card Slots & Divided Top Bill Pocket Handmade in USA This wallet is made with beautiful authentic bison leather. Bison is sometimes referred to as American Buffalo. It is stitched with heavy duty nylon thread that matches the color of the leather. This is a very large oversized wallet and not for everyone. Check the measurements closely.