Avengers Backpack Set - Bundle with 16" Marvel Backpack, Water Bottle, Stickers, More | Spiderman, Groot, Hulk, Iron Man, Captain America School Supplies for Kids. This Avengers backpack set comes with one 16" backpack featuring Spiderman, Iron Man, Captain America, and more superheros. It has adjustable shoulder straps and zip closure front and main comparments. Show off your love of Avengers in style! This Marvel superhero school bag set will delight kids of all ages whether they are off to school or staying home. Take your Avengers backpack and water bottle to school, picnics, sleepovers, on road trips, and more! This Marvel backpack will keep your school supplies and belongings secured. Officially licensed Marvel Avengers backpack custom product bundle. Set also includes a Beach Kids water bottle, Marvel stickers, and a Beach Kids superhero door hanger.