The Spigen Slim Armor CS Case for Samsung Galaxy S9 is a top-selling cardholder case that offers both style and functionality. This case features a sleek design with a built-in card slot on the back, allowing you to conveniently store your ID, credit cards, or cash. The dual-layer construction provides excellent protection against drops and impacts, while the raised edges help protect the screen and camera. The precise cutouts ensure easy access to all ports and buttons. With its slim profile and cardholder feature, this case is perfect for those who want to travel light and keep their essentials in one place.