Mickey Mouse Backpack with Lunch Box for Boys 4-6 Set - Bundle with 16” Mickey Backpack, Mickey Lunch Box, Stickers, More | Disney Mickey Mouse School Backpack for Boys. This Mickey Mouse backpack for boys 4-6 set includes a 16” Mickey Mouse backpack depicting colorful artwork of Mickey Mouse with padded adjustable shoulder straps, front pocket, and top loop for hanging. Made of durable material, this Mickey Mouse school backpack is sure to last and will carry everything you need with you no matter where you go. This Mickey backpack set also includes an insulated Mickey Mouse lunch box, perfect for taking your food with you to school, on a picnic, to a theme park, or anywhere else. Officially licensed Mickey Mouse backpack for boys custom product bundle also includes a Beach Kids water bottle and Mickey stickers and a castle door hanger.