Convenience of use
1. Opening design: usually the top opening or side opening is adopted to facilitate the insertion and removal of cards, and the opening size is moderate, which can ensure the smooth insertion and removal of cards and prevent the cards from accidentally slipping.
2. Balance of flexibility and stiffness: A good card holder can protect the cards while maintaining a certain degree of flexibility, which is convenient for carrying and use. It will not be too soft to provide sufficient protection for the cards, nor will it be too hard to affect the flexibility and comfort of the cards. For example, when the card holder containing the cards is placed in a wallet or card bag, it can better adapt to the shape of the container.
3. Easy to organize and classify: Some card holders have marking or indexing functions, such as numbers, color distinctions, pattern logos, etc. printed on the card holders, which are convenient for users to organize, classify and find cards, especially for a large number of card collections or game card sets, which helps to improve management efficiency.