Mulan Backpack Set - Bundle with 16" Mulan Backpack Plus Water Bottle, Stickers, More | Disney Mulan Backpack Toddler Girls. This Mulan backpack set includes a 16” backpack with adjustable shoulder straps, zip closure compartment, and top loop for hanging featuring colorful artwork of Mulan. This Mulan backpack for kids contains plenty of room to carry school supplies, your water bottle, and any other small items you need to take to school or on the go. Show off your love of Mulan in style. This Mulan backpack bundle also includes a Beach Kids water bottle and Disney Princess stickers, making the perfect gift set for any Mulan or Disney fan. Officially licensed Disney Mulan backpack set is perfect for fans of all ages, boys and girls, alike. Set also includes a bonus Beach Kids princess castle door hanger.