Made from soft, full-grain napa leather, Delta designs feature interiors with red stitch detailing, a ballistic nylon spine, easy-access front card pockets and a bill section with leather back wall. This double billfold features two larger bill sections for international currencies and 10 card slots and four side slots. Special feature: Tumi ID Lock™ is a proprietary technology incorporated into the design of this product that protects personal data encoded on most IDs, credit cards and passports.