Clear treat bags from the storeany shape is fine but if you have the bags made specifically for large cookies those will work best
Twine or ribbonin any color
Sharpie
Instructions
Make the Popcorn Mix
Make the popcorn according to the directions on the bag.
Allow it to cool.
Gently toss in the mini marshmallows and the white chocolate chips.
Make the Popcorn Bags
Using the sharpie draw O's for ghosts (boo!) or triangles for mini Jack-o-lanterns. Let the kids really use their imagination here and draw whatever face they would like.
Stuff the bags with the popcorn mix of your choice until full.