Perman Pocket Stainless Steel Silver Aluminium Business ID Credit Card Holder Case Cover 5 Styles (Cross) Material: Stainless steel aluminum. Size: 9.3 x 6x0.7 cm, fits in your pockets. We have 5 styles for choice: Cross, BIG Across, Across, S Line, Bevel. Holds about 10-15 business cards depending on the thickness of cards. It protects your cards clean and undamaged and makes your business life convenient and effective. Designed for business card, credit card, ID card, and any other cards. Polished surface,sleek and fashionable design,as shown in picture.