MPERO Microsoft Lumia 640 Wallet Case, [Flex Flip] Cover with Card Slots and Wrist Strap (Black) Our Wallet Case features 2 Credit Card / ID Card slots with an additional inner hidden pocket for additional storage of cash, business cards, receipts, or additional cards. The Microsoft Lumia 640 phone securely fits in a protective slim fit shock case, with full access to camera, side buttons, speakers, charger port, and audio jacks. The flexibility casing makes phone removal easy! Made with the highest quality PU leather materials, our Black textured wallet case fits the Microsoft Lumia 640 phone perfectly, with compatibility with all carriers and is build to last and take drops. Don't let the price fool you, this wallet is top notch. A secure magnetic closing strap keeps your wallet case closed for easy pocket, purse, or bag storage. Ditch the wallet or pocketbook and simplify yourself with this all in one solution. Unlike most wallet cases, ours comes with a detachable wrist strap. Wear it around your wrist if you need your hands, or remove it if you don't need it, and use the strap for your keys, the choice is yours.