Each 5" x 7" card is printed on heavyweight card stock.  The picture shows the card before it is folded so that you are able to see the front and the back.
 
The crystal picture on the front includes a channeled message about the stone on the back.  The price includes the card and envelope.
 
$5.50 per card or 4 cards for $20.00.  Card styles can be mixed for the discount.