Loungefly The Nightmare Before Christmas Exclusive Jack 。by Loungefly Nightmare Before Christmas Jack and Zero Mini Backpack be able to fetch the top spot in your collection of The Nightmare Before Christmas? On the front Jack and Zero glow in the dark and on the back Jack and Zero are on the hill, backlit by the moon. by Loungefly Nightmare Before Christmas Jack and Zero Mini Backpack is made of vegan leather (polyurethane) and faux suede. Bag has adjustable shoulder straps, sturdy metal hardware, and features: glow in the dark, applique, embroidered, enamel zipper charm, debossed, and printed details.