Material: real carbon fiber,good for carrying a thick stack of bills or cards Convenient quick access with a slim design lets you easily show your ID at the ready. Being able to hold up to 15 bills and Ten credit cards means you can keep all of your important cards with you at all times. The slim profile doesn't bulk up and easily slips in and out of your pocket or purse The lightweight, composite laminate carbon fiber clips Really a perfect gift for both woman and man Great design for any combination of bills and cards.