The Nightmare Before Christmas Jack And Sally Cooler Backpack With the Nightmare Before Christmas Jack and Sally OTG Roll-Top Cooler Backpack, you can ditch the bulky cooler on wheels and carry your bone-chillingly cold party favors in total comfort and striking style. With space for up to 42 cans, as well as front and side storage compartments, a bottle opener, and comfy padding you can easily bring the party all the way to Halloween Town. Item cannot be shipped to P.O. Boxes