Spiderman Mini Backpack Set - Bundle with 11" Spiderman Backpack for Boys 4-6, Spiderman Stickers, Water Bottle, More | Marvel Backpack. This mini Spiderman school bag bundle includes one 11" backpack with adjustable shoulder straps and top loop for hanging featuring colorful artwork of the Amazing Spiderman. Show off your love of Spiderman in style! This Spiderman mini backpack is sure to be a hit with Marvel fans of all ages and is perfect to take with you to school, on vacation, or anywhere else. This Spiderman backpack and travel set also includes Spiderman embroidered stickers, a blue water bottle, and a Beach Kids superhero door hanger. Officially licensed Spiderman backpack manufactured by Fast Forward is perfect for Marvel fans of all ages, boys and girls alike.