If you prefer to only earn cash back, the Blue Cash Preferred® Card from American Express is a star. Here's our comparison of the Blue Cash Preferred and Blue Cash Everyday to help you decide which is best for your wallet. No, the Blue Cash Preferred® Card from American Express isn't made of metal — it's a plastic card. The Blue Cash Preferred® Card from American Express is a credit card, not a charge card. You can't transfer cash back (Reward Dollars) from the Blue Cash Preferred® Card from American Express to other Amex cards like The Platinum Card® from American Express or the American Express® Gold Card.

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