Congrats, congratulations mylar & foil balloons

 One sided 18" foil balloons
$3.95/bag ($.79 ea) of 5 of same style. 
$3.30/bag ($.66 ea) 4 or more bags of same style.

 2 sided print
18" self-sealing (valved) printed two sides.
$8.28/bag of 12 of one style ($.69 each).   $.85 by the piece.