A device affixed to a mobile telephone or its protective case, designed to secure credit cards, identification, or other similarly sized items. These accessories provide a convenient means of consolidating essential items, minimizing the need to carry a separate wallet or purse.
The integration of such receptacles offers enhanced practicality, streamlining daily routines by centralizing important cards with a frequently used communication tool. This configuration can contribute to reduced bulk in pockets or bags, and may offer a degree of protection against loss or theft compared to carrying items separately. The concept has evolved from simple adhesive pockets to more sophisticated designs incorporating RFID blocking and secure attachment mechanisms.