The cardstock keeps all the candy contained, and the cello bag keeps it all nice and together. Just tie the top together with a piece of your favorite ribbon.
Here's a side view:
Supplies you'll need to make this:
Stamps: Haunted House (retired, but similar images are in the "Best of Halloween" set, 134381)
Paper: Basic Black 12x12 (124267), Naturals Ivory (101849), Witches' Brew designer series paper (132185)
Other: Gusseted Cello bags (clearance rack! 127850), Pumpkin Pie 3/4" Chevron ribbon (130015)
Order your supplies on-line here!