Marvel Avengers Backpack and Lunchbox Set - Bundle of 16" Superhero Backpack, Insulated Lunch Box, Stickers, More | Avengers School Bag for Kids. This Marvel school supplies set includes a 16" backpack and an insulated lunch bag with top handle, each depicting comic book style Avengers artwork 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 is great to bring your food with you to school, on a picnic, or anywhere else. Stay hydrated with the included Beach Kids water bottle. Officially licensed Marvel Avengers school supplies set for kids also includes Avengers stickers and a Beach Kids superhero door hanger. WARNING: CHOKING HAZARD—Small parts. Not for children under 3 years or 36 months.