Keep both your phone and cards in easy reach with this convenient Insignia NS-STKWALB Stick-on Wallet for Most Cell Phones. Compatible with most cell phones, it uses 3M adhesive to bind securely to the back of your phone or hard-shell case. It has two card slots that store up to 2 credit cards or IDs (1 per slot), while a finger cutout makes them quick and easy to remove. Don’t lose your cards in a purse or pocket. Keep them in a convenient and easy-to-reach place with this handy stick-on wallet.