Mini Perman Pocket Aluminum Metal Briefcase Suitcase Business Bank Card Name Card Holder Case Box New (Black) Materials: Aluminum. 100% brand new and high quality. Size: About 3.78 x 3.2 x 0.63 inch / 9.6 x 8.2 x 1.6cm. Exquisite mini briefcase design without password function. Business Credit ID Card Holder Metal Frame Case Organizer.