Slim, pop-up card holder wallet, typically featuring RFID blocking technology and a leather or faux-leather exterior with a snap closure. Key Features Design: It is a compact, minimalist wallet that typically uses a trifold design, with an outer leather casing and an internal aluminum card case. Quick Access: The internal metal case features an automatic, pop-up mechanism (operated by a button or slider on the side) that fans out the cards for easy access. Security: Most such wallets incorporate RFID (Radio Frequency Identification) blocking material, which helps protect credit and debit cards from unauthorized scanning and digital theft. Capacity: They are designed to hold several cards (often 4 to 12, depending on thickness) within the aluminum casing, with additional slots in the leather cover for more cards, ID