The phone wallet features 100% silicon construction for durability, fits and securely holds up to 3 standard credit card sized cards. The 3M adhesive back securely affixes the Phone Wallet to the back of the phone. This low cost product is ideal for almost every promotion: it is functional and has universal appeal. Fits on the back of most smartphones. The Phone Wallet is the perfect accessory for today's cell phones so you never leave home without your drivers license, credit card or ID.