Avengers Backpack with Lunch Box Set - Marvel School Supplies Bundle with Backpack, Insulated Lunch Box, Water Bottle, Stickers, More | Avengers School Bag for Boys. This Marvel school supplies set includes a 16" backpack and an insulated lunch bag with top handle depicting Avengers including Iron Man, Captain America, Hulk, and more. Show off your love of the Avengers in style! This 16" backpack with adjustable shoulder straps and top loop for hanging is perfect to carry everything you need with you to school and can also double as a travel bag. Perfect for kids, this Avengers lunch box set is great to bring your food with you to school on a picnic, or anywhere else and the water pouch is great to stay hydrated all day long! Officially licensed Marvel Avengers school supplies set for kids, boys and girls alike, also includes a Beach Kids water bottle, Avengers stickers, and a Beach Kids superhero door hanger.