This anodized aluminum mailing and storage tube gives a first impression of rugged durability and professional pride. Carefully designed to protect anything that can be rolled, including charts, maps, blueprints, and posters. The tube is 37" long, moisture-proof, and have adjustable shoulder straps. One end cap is sealed closed and the other removable. Perfect for students, pilots, contractors, draftsmen, architects, engineers, sportsmen, campers and boaters.