Polytree Waterproof Stainless Steel Case Pocket Box Business ID Credit Card Holder Cover Polished surface, sleek and fashionable design, as shown in pictures. Designed for business card, credit card, ID card, and any other cards. It protects your cards clean and undamaged and makes your business life convenient and effective. Holds about 10-15 business cards depending on the thickness of cards. Features: Polished Surface, 10-15 Business Cards Capacity, Waterproof