1Large Capacity: Black card holders have many card slots, the internal capacity is enough to store various cards, and it is practical. 2Simple Design: Portable business card case has a simple and stylish appearance design, and exquisite workmanship, which will enhance your taste. 3Small Portable: Card wallet has compact structure design, small size and light weight, which is convenient for you to carry and use when you go out. 4Wide Application: Small card holder wallet is very suitable for weddings, parties, dances, daily casual wear, travel, and business trips. 5Practical Gifts: Credit card holders can be given to your friends or family as gifts on festive birthdays, they will love it.