Disney Dumbo Mini Backpack Set for Kids - Bundle with 12" Dumbo Backpack with Water Bottle, Tattoos, More | Disney Dumbo Backpack Set for Boys, Girls. This Dumbo backpack set includes a 12” mini backpack with adjustable shoulder straps, zip closure compartments, and top loop for hanging featuring colorful artwork of Dumbo. This Dumbo backpack for kids contains plenty of room to carry school supplies, your water bottle, and any other items you need to take to school or on the go. Show off your love of Dumbo in style. This Dumbo backpack bundle also includes a Beach Kids water bottle and Dumbo tattoos, making the perfect gift set for any Dumbo or Disney fan. Officially licensed Dumbo backpack set is perfect for fans of all ages, boys and girls alike. Set also includes a bonus Beach Kids castle door hanger.