In the context of the input sentence, determine the relationship between 'Barclaycard' and 'credit card'.
Options: headquarters location, brand, product/material produced, position held

NEW YORK ( MainStreet ) –- This month Barclaycard , the leading credit card issuer in the U.K., released its full-scale launch of three smart payment devices that enable customers to pay without using cash or credit cards.
product/material produced