The auction is for 2 packages of  the pack of 2 bulbs shown here.  There is a total of 4 bulbs in this auction.  THE RED CARDBOARD BACKING IS FOR DEMONSTRATION PURPOSES ONLY!  The bulbs are unused.    If buying more than 1 pack, please await my invoice.  Shipping by USPS only.  Will combine shipping.   Good luck and thanks for bidding!.