I love it when business cards are all about the material. Here we have some sample cards from Cardissimo in the UK. They even have some very swanky card holders as well. Check them out if you’re looking for carbon fiber business cards.
Similar Designs:
Carbon Fiber Business Cards by Pure Metal Cards
Pure Metal Cards Real Metal Business Cards
Pure Metal Cards’ Wood Business Cards
A Little Hut’s Business Card
Somersaults Life Archive’s Business Cards
The Howler Magazine’s Colorful Business Cards
Abigail Mayfield’s Natural Letterpress Custom Tags
Mamacoke’s Laser Etched Wood Business Card
Atipus Fun Playing Cards
Carbon fiber seems like a solid choice for business card material. I think the cross-hatch effect on the back of the cards pictured works really well.