Cash app provides its card to make payment easier. But, there is some terms & condition to get the card. First of all, you should 18+. After that, you have to apply for the card, that took a minimum 10 working days to deliver it. So, go to your Cash app home screen and navigate into Cash card section. For further process, go toward to use Cash App Customer Service.
sprint-customerservice.com/cash-app-customer-service/