Card Caddie - White - Our Best Outdoor Vehicle Business Card Holder - By: Clear Lake Enterprises, Inc. Mounts directly on your vehicle exterior with 3M Very High Bond Weather proof two sided adhesive pad. Withstands highway speeds. Cost effective - Made of durable ABS Plastic- Snaps Closed Display your own business card on outside - Clear plastic cover to protect it from the weather Holds dozens of business cards protected on the inside!