Nightmare Before Christmas Backpack with Lunch Box Set - Bundle with 16” Nightmare Before Christmas Backpack, Lunch Bag, Stickers, Water Bottle, More | Jack Skellington Backpack. This Nightmare Before Christmas school backpack features adjustable shoulder straps, zip closure compartment, and a top loop for hanging featuring colorful new artwork of Jack Skellington. The Nightmare Before Christmas backpack measures approximately 16" x 12" x 5". This Nightmare Before Christmas backpack for kids has plenty of space for Nightmare Before Christmas folders, notebooks, and books. The front accessory pocket is perfect for holding Nightmare Before Christmas pencils, pens, school supplies, toys, snacks, and more. This durable Nightmare Before Christmas backpack for kids also comes with a bonus Nightmare Before Christmas lunch bag, perfect for taking your food with you anywhere. Officially licensed Nightmare Before Christmas backpack custom product bundle also includes a foldable water bottle, bonus stickers, and a bat door hanger. Minimum manufacturer age recommended ages 3 and up.