Batman Backpack and Lunch Box Set - Mini Batman Backpack for Toddlers Bundle Includes 11" Small Batman Backpack and Batman Insulated Lunch Box Plus Stickers, Water Bottle, More | Batman Mini Backpack. This small Batman backpack bundle includes one 11" mini backpack with adjustable shoulder straps and top loop for hanging and one insulated lunch box, each featuring colorful Batman themed artwork. This mini Batman backpack and lunch bag set also comes with a water bottle to ensure you stay hydratred throughout the day. Show off your love of the Dark Knight in style! This mini Batman backpack and lunch box set is sure to be a hit with Batman fans of all ages and pairs perfectly with all other DC Comics merchandise. This Batman backpack for toddlers is perfect for school and can double as a travel bag to take everything you need wherever you go! This insulated Batman lunch box is ideal for keeping your food at the perfect temperature. Officially licensed Batman backpack and lunch box for kids of all ages, boys and girls alike, also includes bonus Batman and Beach Kids stickers and a superhero door hanger.