Here'* my card in Word format. I can convert it to just about anything anyone might need, so just PM me if you do.
Feel free to 'adjust' the format/content to suit your needs. I print both pages, then flip the paper back and print two more. Front/back of the cards on 2 sheets, then reverse them.
Heavy card stock works great for the paper:
If you have trouble with the link, just right click and save target as. Again, THANKS John!