[Campact Size] 4.3 x 3 x 1.2 inches. There are 12 card slots for at least 12 cards, 2 wide slots. And the external clear ID window is convenient to use.[Privacy Protection] Card holder wallet, equipped with advanced proprietary blocking technology, which aims to protect your personal information on the cards from unauthorized scanning[Multifunctional Key Chain] Card holders women are made of genuine leather, soft and durable. Designed with a detachable keychain for your house or car keys.[Ideal Gifts with Exquisite Packing Box] We designed cardholder carefully for you, and you selected it carefully for your friends or family.