SuitcaseMate is the best organizer for kids' luggage. The front side of the bag consists of five see-thru pockets for storing clothes and accessories. The backside of the bag has two flat pockets for storing books/devices or other flat items. The back also has a hamper to store used clothes. The bag folds in half to fit in most carry-on suitcases. There's also a built-in hanger to make unpacking a breeze. Just unfold and hang.