Doorwin's Complete Packing Method Will Guarantee the interior door can be delivered Safely Without Any Damage. 1) Adhesive Plastic Film on Interior Wood Frames and Exterior Aluminium Frames(Avoid Scratch) 2) Paper Board + Air Bubble Film Surrounding Whole Windows(Avoid Destroy&Clash) 3) Durable No Fumigation Plywood Wood Crate(Avoid Damage in Transport)