Polyurethane card holder, ABC card holder, credit card cover. Bank card holder is the economic product of modern life. This item can hold bank cards, supermarket card, shopping cards, membership cards, etc. Card holders modern people have to deal with cards more or less, such as various bank cards, supermarket card cards, shopping cards, membership cards, etc. If so many cards are not stored well, they will often bring unnecessary troubles. Card packages appear just to manage so many cards, which can be said to be the product of modern economy.?