Batman Backpack for Boys - Bundle with 16" Batman School Backpack with Front Pocket Plus Stickers, Water Bottle, More | Batman Backpack for Kids. This Batman school backpack features adjustable shoulder straps, a zippered compartment, and a top hanging loop featuring the colorful artwork of the Batman logo. This Batman backpack for kids has plenty of space for Batman folders, notebooks, and any other school supplies. Batman backpack measures 16" x 12" x5". This durable Batman backpack for girls also comes with Batman stickers, a Beach Kids water bottle, and a Beach Kids superhero door hanger. Officially licensed Batman backpack school set for boys and girls alike. Combine with other Batman school supplies. For ages 3 and up.