Batman School Backpack with Lunch Box for Kids - 5 Pc Bundle with 16" Backpack, Cinch Bag, Lunch Bag, Pencil Holder, Stickers, More | Batman School Bag Set. This Batman school supplies set includes one 16" backpack, one resealable snack bag, one lunch bag, one cinch bag, and one pencil holder, all featuring Batman themed artwork. This complete Batman school supplies set contains everything your little one will need when heading off to elementary school or preschool. Great for travel activities on road trips and more, the Batman school backpack set also doubles as a travel bag, kids luggage, and more. Officially licensed Batman school supplies set. The Batman backpack with lunch box set for boys and girls also comes with a Beach Kids water bottle, Batman stickers, and a Beach Kids superhero door hanger.