Avengers Backpack with Lunch Bag Set - Bundle of 16” School Bag, Spiderman Lunch Box, Water Bottle, Stickers, More | Avengers School Supplies for Kids. This Marvel backpack set includes a 16" backpack with adjustable straps featuring Avengers artwork and an insulated lunch box featuring Spiderman. Show off your love of the Avengers in style! This Marvel backpack has plenty of room to carry everything you need to school and the insulated Spiderman lunch bag will keep your food at the perfect temperature. Sure to be a hit with Marvel fans, this backpack and lunch bag set makes a great gift for anybody who loves the Avengers and pairs perfectly with all other Spiderman merchandise. Officially licensed Marvel backpack and lunch bag set for kids also includes Avengers stickers, a Beach Kids water bottle, and a Beach Kids superhero door hanger. Minimum manufacturer age recommended ages 3 and up.