If you choose to be paid using a Virtual Mastercard® Gift Card*, you ll receive an email regarding how to retrieve your card. The Ucellwebuy Online Mastercard Gift Card* can be redeemed at internet, mail order, and telephone merchant everywhere Mastercard debit cards are accepted in the United States. Please note: this card can be used on any website that accepts Debit Mastercard. Since this is a virtual card, you won t be able to use it at a physical store (e.g. local grocery store, gas station, etc.).