Harry Potter Backpack Set - Bundle with 16” Hogwarts Backpack, Water Bottle, Stickers, More | Harry Potter Hogwarts School Bag for Kids. This Harry Potter backpack set includes a 16” backpack with adjustable shoulder straps, zip closure compartment, and top loop for hanging featuring colorful artwork of the Hogwarts crest and Hogwarts Castle. This Harry Potter backpack 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 Harry Potter in style. This Harry Potter backpack bundle also includes a Beach Kids water bottle and Harry Potter stickers, making the perfect gift set for any Harry Potter fan. Officially licensed Harry Potter backpack set also includes a Luna and the Cloud Elves door hanger. WARNING: CHOKING HAZARD—Small parts. Not for children under 3 years or 36 months.