4 x 6" including envelope, blank inside.  
$5 each. $20 - mixed pack of 5 or 5 all the same. $65 - mixed pack of 14.

P&P - 50c each (NZ)  $1.50 each (overseas)      * discount for multiple orders.*

If you are interested in purchasing any cards, please contact me.
(Nb - the website address displayed across these images is not on the actual cards)