VANQUEST Cache 2.0 RFID-Blocking Wallet RFID-blocking prevents unauthorized access to personal data stored in RFID chips found in your debit / credit cards and security key cards Ultra-thin 4-slot design that holds up to 20 cards / Cash pocket holds stack of bills Size: 8" (H) x 5.4" (W) open, 4" (H) x 5.4" (W) closed 1000-D military-grade CORDURA fabric with water-repellent TEFLON fabric protector by DuPont