Girl's Disney Frozen Elsa and Anna Backpack and Lunchbox Set. Share the sisterly magic this back-to-school season with this Elsa and Anna backpack set. Never lose a water bottle again with these 2 side mesh pockets perfect for easy and accessible storage. The detachable lunch box is perfect for easy grab and go lunch and will be sure to have you ready to catch the school bus. Make the school year magical with this adorable character backpack.