So one is a return label and small bubble wrap package, the other is a box that allows you to put the Magic Box in it. Don't ask me why they didn't just included label with the box when you need it and email the label if have a printer.
Looks like it will be 6.3 inches https://www.forbes.com/sites/gordonkelly/2018/04/22/samsung-galaxy-s9-plus-galaxy-note-9-new-galaxy-smartphone-camera-specs-price-release-date/amp/
Saying it should have a 4,000 mAh battery and in display figureprint reader https://www.forbes.com/sites/gordonkelly/2018/04/19/samsung-galaxy-note-9-leak-specs-release-date-camera-price/amp/