Help share our cause with a stick-on card holder for iPhone, Android, and all other smartphones including iPhone 6s. It has a super strong 3M adhesive card holder backing for easy application and reliable attachment. It's also compatible with smartphone cases such as OtterBox, LifeProof, and other brands. It can be used as a credit card holder, business card holder, money clip replacement, gift card holder, or ID holder. It comfortably stores up to 2 cards and cash.